2016 silverado fan stays on

If the fan relay is faulty, it will likely give incorrect readings to the ECU, which will force the coolant fans to stay on at all times. Depending on the wiring setup of your Volkswagen, the coolant fans may keep running even when the ignition is off. If the coolant fan runs for a long time, it will likely drain your vehicle’s battery.

WHY RADIATOR FAN STAYS ON ALL THE TIMEIf your radiator fan stays on all the time when the car is started or with the ignition being on we will explain what i...Test The Head Unit Cables. When the car radio stays on when car is turned off, it is likely related to your wiring should you own an aftermarket unit, which has persisted since installation.. Most car audio systems only have 2 power wires and 1 ground wire. There is 1 power wire that is always hot, while the others are only energized when the …Do the following: Step 1 - Turn your ignition switch to the off position, wait for about 10 seconds. Step 2 - Turn the ignition switch to the on position, wait for 15 seconds and start your Silverado. Your gauges should now be working fine. You might also need to check the fuses and change any that are faulty.Jefesito 477 subscribers Subscribe 58K views 3 years ago This video covers the part that needs to be replaced when your GM vehicle marks no engine temperature …BRIAN 1. Some customers may comment that the blower motor is inoperative or continues to run after the vehicle has been shut off. These conditions may be caused by a blower motor control module failure. This failure may occur when the vehicle is operated in ambient temperature conditions of-23 °C (-10 °F) or below.Test The Head Unit Cables. When the car radio stays on when car is turned off, it is likely related to your wiring should you own an aftermarket unit, which has persisted since installation.. Most car audio systems only have 2 power wires and 1 ground wire. There is 1 power wire that is always hot, while the others are only energized when the …

My 2016 Camaro and every other person on this string, the gauge reads zero -- not working at all. And secondly, not think carefully here, the problem goes completely away when we unplug the negative battery cable. ... Hey ladies and gents, I have a 2016 camaro ss1 also. I have been having the same issue to where my fan stays running …To diagnose and fix this issue, you should start by checking all of your fuses and relays related to the cooling system.If those are all ok, then you can check for any loose wires or corroded connections in your sensors or other parts of your wiring harness.1 post · Joined 2020. #14 · Jan 25, 2020. Jedi Rex said: My daytime running lights won't turn off even when the car is off and the key is pulled out of the ignition! I yanked the fuse out to temporarily fix the problem, but this just won't cut it as a long-term solution. My car's still under warranty, so I could take it in to the dealer, but ...55,500 satisfied customers. 2016 Silverado high country 6.2L gas. Just replaced stock. Just replaced stock with a borla cat back exhaust approx. 10 months ago. Check engine light just showed up a few days ago and my GM issue … read more.Asked by Julie Jun 01, 2016 at 08:24 PM about the 2005 Chevrolet Silverado 1500 LS Crew Cab RWD. Question type: Maintenance & RepairCooling fan stays on. Show More. Show Less. Ask Your Own Chevy Question. Share this conversation. Answered in 2 minutes by: 9/3/2021. Chevy Mechanic: ...Master Automotive Technici... 2014 GMC Sierra 1500 V6. Both cooling fans run at full speed. 2014 GMC Sierra 1500 V6. Both cooling fans run at full speed the entire time the truck is running and for about 5 mins after I turn it off. Temp gauge … read more.

Sports fans are always on the lookout for ways to stay connected to their favorite teams and matches. With the rise of online streaming services, watching live sports events has become easier than ever before.Bad Fan Relay. You happen to possess a 2014 Chevy Silverado and observe that the radiator fan persists in running. The first thing you should check is your fan relay. A defective fan relay may be the culprit. The role of the fan relay is to function as a switch that activates or deactivates the cooling process. It will depend on the engine ...Observe the cooling fan to be sure that it is working. After running your engine for 20 minutes, it should have started running. If it isn’t, then the gauge should be reading hot since the engine would be overheating. ... (2016 – 2023) Chevrolet Silverado 1500 Towing Capacity Chart (2010 – 2023) Chevy Equinox Wiper Blades Size Chart …Apr 25, 2023 · The average coolant temperature sensor replacement cost is between $50 and $250, depending on the car model and labor costs. A coolant temperature sensor costs $30 to $100, and the labor costs $20 to $150. The coolant temperature sensor itself is often quite cheap, and you can often find them for around $40 for a quality one. Fixing P0128 in the Chevy Silverado is usually a pretty easy thing to do since, 90% of the time, a stuck thermostat will cause the problem. Here are the most common causes of P0128: Thermostat Stuck Open – Far and away, the most typical cause for the P0128 code is a thermostat that is stuck open. When a thermostat is stuck open, it allows ...162 posts · Joined 2017. #1 · Dec 10, 2021. I have posted here before about an intermittent problem with the radiator fan staying on after the engine is shut off. The strange part was that when the problem happened the coolant temp gauge on the dash would drop to dead cold. It would create a faulty coolant temp code and as soon as I cleared ...

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My 2016 Camaro and every other person on this string, the gauge reads zero -- not working at all. And secondly, not think carefully here, the problem goes completely away when we unplug the negative battery cable. ... Hey ladies and gents, I have a 2016 camaro ss1 also. I have been having the same issue to where my fan stays running …Oct 13, 2022 · 3. Bad ECU Unit. Your Chevy’s engine control unit signals the fan when to turn off or keep running. A defective ECU will result in the fan not knowing when to stop running. 4. Low Coolant Level. The car coolant is the liquid that removes heat from the radiator. The lower the coolant level, the less effective it’ll be. 2015 Radiator Fan/Coolant Temp Issue. 2015 GMC Sierra 5.3. The other day I noticed my radiator fans constantly running at full blast and staying on for 5 minutes after shutdown - saw that the coolant temp gauge was pegged low. I replaced the coolant temp sensor and the problem is still there.Nov 6, 2022 · Chevy Mechanic: Chris (aka-Moose) The computer can command the fan to continue running after the engine is shut off to help lower the temps more. When an engine shuts off it gets much much hotter than what it was while running. The computer can see coolant temps that were near the top end when the engine was shut off and this resulted in the ...  · jhs914 Discussion starter. 162 posts · Joined 2017. #7 · Jan 4, 2023. It's the thermostat. It sticks open and the engine computer senses an anomoly and signals the radiator fan to run continously. Replacing the thermostat fixed my problem. 2017 Canyon SLE 3.6 Crew Cab Short Bed/2WD. Reply.The average coolant temperature sensor replacement cost is between $50 and $250, depending on the car model and labor costs. A coolant temperature sensor costs $30 to $100, and the labor costs $20 to $150. The coolant temperature sensor itself is often quite cheap, and you can often find them for around $40 for a quality one.

142 Answers. The most likely cause is due to the radiator fan constantly running and the engine not getting to operating temperature, thats why your temp gauge isnt going up, check all related wiring to the cooling fan and make sure there no bare wires that could be causing a short to ground causing the fan to constantly run, secondly check the ...Out of all the Chevy Silverado models, the 2004 has received the most complaints ranging from malfunctioning interior features to speedometer issues. If you plan on buying a used Silverado, be very keen on the 2004 model. However, since 2018, the Silverado line has received fewer complaints related to climate control and other …1. Blower motor stuck on one speed. A common symptom of a faulty blower motor resistor is a blower motor that is stuck on one setting. The blower motor resistor is the component directly responsible for controlling the blower motor fan speed. If the resistor shorts or fails, it may cause the blower motor to remain stuck on one fan speed.May 4, 2023 by Mike Lewis So you've turned off your Chevrolet Silverado, but you can hear the radiator fan whirring. Obviously, it's still running. It's a real issue most car owners can relate to. This article will answer why your Chevy Silverado fan keeps running and how you can solve that.Cooling fans running on high speed. I have a 2014 Chevy Silverado 1500 5.3l that I am having a issue with the cooling fans running on high occasionally. When this happens my temp gauge will read zero and when I kill the engine the fans stay on. The only way to shut them off is to crank the engine and shut it right back off.Conclusion. Car fans staying on after the engine is turned off may be caused by several reasons, such as low coolant level, malfunctioning cooling system, still-on A/C system, electrical issues, or computer control. A low coolant level can cause the engine to run hot, resulting in the need for the fan to run more frequently to keep the engine cool.Mar 6, 2020 · RADIATOR FAN STAYS ON ALL THE TIME CHEVY, CHEVROLET, GMC, BUICK, CADILLAC Car Scanner: https://amzn.to/2G5lxTi Check out our Amazon Store for the tools and... 1. To turn off the codes with your scanner, follow these steps: 2. Connect the scanner to your car’s OBD2 connector. It’s found near the floor under the steering wheel to the left side. 3. Switch the ignition to the ON position. 4. Once a connection is established, press the READ button on the scanner.Here is a more detailed list of the most common reasons why a temperature gauge stays on cold. 1. Faulty Engine Coolant Temperature Sensor. As we talked about, the most common problem with a faulty engine temperature reading is the coolant temperature sensor itself sending wrong information to the cluster.Sep 23, 2023 · This is why your fan may stay on for a longer period even after you have turned off the ignition. 3. Check engine fan relay. Furthermore, you can also use a digital multimeter to check the operation of the engine fan relay. In this case, if the fan turns off, then the relay is faulty. 4.

In this video Sean goes over why the radiator fan won't turn off on your 2014 - 2019 Chevy Silverado or GMC Sierra. Thermostat: https://amzn.to/333Vrzl - Temperature Sensor: https://amzn.to ...

Aug 12, 2021 · Out of all the Chevy Silverado models, the 2004 has received the most complaints ranging from malfunctioning interior features to speedometer issues. If you plan on buying a used Silverado, be very keen on the 2004 model. However, since 2018, the Silverado line has received fewer complaints related to climate control and other …Jan 6, 2009 · Blower motor won’t shut off Blower motor keeps running after car is shut off. If you have a vehicle with climate control system and a variable speed blower motor and the blower motor won’t shut off and stays on HIGH with the car turned off and the key out, chances are the blower motor motor control processor is toast or the HVAC control module is damaged. RADIATOR FAN STAYS ON ALL THE TIME CHEVY, CHEVROLET, GMC, BUICK, CADILLAC Car Scanner: https://amzn.to/2G5lxTi Check out our Amazon Store for the tools and...May 4, 2023 · 6 Common Reasons Your Chevy Silverado Fan Keeps On Running. The most common causes for your Chevy Silverado fan to continue running even when you’ve turned off the engine are related to faults found in the fan relay, the temperature sensors, the ECU unit, the high-pressure switch, the coolant liquid, or the thermostat. 3. Bad ECU Unit. Your Chevy’s engine control unit signals the fan when to turn off or keep running. A defective ECU will result in the fan not knowing when to stop running. 4. Low Coolant Level. The car coolant is the liquid that removes heat from the radiator. The lower the coolant level, the less effective it’ll be.before I changed the temperature sensor my radiator fans would stay on even with vehicle off. then I broke the clip on the connector for the temperature and spliced on a new connector. after I did all that my temperature gauge still went up fast. so I changed out my thermostat and tested it and then the temperature gauge went up even faster. now that I have a scan tool plugged in the gauge on ...It could be related to faults found in the fan relay, temperature sensors, ECU unit, high-pressure switch, coolant liquid, or the thermostat. Additionally, it may be programmed to run the cooling fan to blow air at the turbo to prevent “coking” the oil when the car is shut off. To troubleshoot the issue, you can check your engine coolant ...Jan 5, 2016 · 3. Cooling fans stay on at all times. If the cooling fans are staying on at all times, this is another (less common) symptom of a possible problem with the cooling fan relay. If the relay shorts internally, it may cause power to be permanently switched on, which will cause the fans to run at all times.

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The most common causes for your Chevy Silverado fan to continue running even when you’ve turned off the engine are related to faults found in the fan relay, the temperature sensors, … See moreI checked the alternator which was bad, producing less than 4 volts. I replaced it with a rebuilt alternator producing maximum 13.4 volts and it fixed the charging problem. I checked the battery and it was good. Although the charging system is working, producing 13.4 volts, Now my battery light stays on and message reads "Check Charging System".Table of Contents [ hide] Why Radio Stays on When Car is Off And Door is Open. How to Turn Off a Non-Turning Car Radio. Step 1: Inspect the head unit wiring. Step 2: Take a look at the ignition switch. Step 3: Mind your ignition cylinder and key. Step 4: Check if your radio can stay on for a specific period.Jul 16, 2020 · The 2014 Chevy Silverado cooling fan relay is located in the engine compartment which is on the right-hand (driver) side under the hood. There are two associated relays and they are numbered twelve and thirteen. Symptoms You may experience if Your cooling fan relay is going bad include: overheating of the engine, fans …Are you a fan of British television? Do you find yourself constantly searching for the latest shows and releases? Look no further than BritBox, the popular streaming service that brings you a wide range of British content.Jul 9, 2023 · Step-by-Step Guide. Twist the cap off of the coolant reservoir. Place the funnel on top of the opening. Pour the engine coolant into the container until the liquid reaches the fill line. Remove the funnel and return the cap. Check out this automotive coolant on Amazon. Also, take note that you shouldn’t pour any coolant into your Chevy ...ma7amad. 277 posts · Joined 2012. #6 · Nov 12, 2014. agree with drunken elvis and speed freak suspect the engine coolant temp sensor may it failed or wires cut or plug damaged the default of unreading signal from ect is to run electrical fans continuously by ecm. chevy malibu 98 3.1 l. range rover 98 autobiography. range rover 4.6 l 2001 HSE.Cricket is undoubtedly one of the most exciting and popular sports in the world. With millions of passionate fans across the globe, staying updated with real-time scores has become more important than ever before.No A/C. Radiator Fan stays on. No A/C. 400. Asked by almazanmike Apr 30, 2020 at 07:41 PM about the 2016 Chevrolet Silverado 1500 LT 4WD. Question type: Maintenance & Repair. Ok. Looked everywhere and can't …Mechanic's Assistant: I understand that you are experiencing issues with your heat gauge and cooling fan on your 2016 Chevy Silverado 1500 5. 3, despite changing the temperature sensor and thermostat, and using distilled water in the coolant reservoir, and you would like assistance from a GM Mechanic to diagnose and resolve the issue. Have you ...Dec 10, 2021 · 162 posts · Joined 2017. #1 · Dec 10, 2021. I have posted here before about an intermittent problem with the radiator fan staying on after the engine is shut off. The strange part was that when the problem happened the coolant temp gauge on the dash would drop to dead cold. It would create a faulty coolant temp code and as soon as I cleared ... ….

55,500 satisfied customers. 2016 Silverado high country 6.2L gas. Just replaced stock. Just replaced stock with a borla cat back exhaust approx. 10 months ago. Check engine light just showed up a few days ago and my GM issue … read more.But check for why it is happening: Check coolant level. Check Engine Oil Level. Make sure right grade oil is being used. These factors can cause excess heat in the engine that the computer is trying to cool off from the coolant. 2017 Colorado Z71 3.6L V6 4WD Extended Cab Summit White. 2000 Pontiac TransAm WS6 5.7L V8 LS1 6 Speed Manual RWD Black.Fans start running within 10 seconds of startup, regardless of outside temperature. I have noticed that when fans are running, fan speeds vary from time to time; cant identify any consistencies as to why fan speeds vary. Fans stop almost immediately after turning off the ignition. I have not experienced a dead battery, or loss of battery voltage.Radiator Fan Won't Turn Off and Temperature Stuck at 160 Degrees: 2014 - 2019 Silverado & Sierra: Bad ThermostatIn the video Sean also goes over why the radi...1 day ago · Asked by e028923 Apr 21, 2019 at 07:42 PM about the 2014 Chevrolet Silverado 1500 LT 4WD. Question type: Maintenance & RepairOct 1, 2022 · 2017 Tahoe the radiator fan stays on when car is turned off and AC not running as well. Already replaced the temp sensor heater works fine.. no engine codes … read more Engine Fan If the vehicle has electric cooling fans, the fans may be heard spinning at low speed during most everyday driving. The fans may turn off if no cooling is required. Under heavy vehicle loading, trailer towing, high outside temperatures, or operation of the air conditioning system, the fans may change to high speed and an increase in ...Football is not just a sport; it’s a passion that unites millions of fans across the globe. From nail-biting goals to heart-stopping saves, there’s nothing quite like watching a live football match.Oct 24, 2021 · 2017 Colorado Z71 3.6L V6 4WD Extended Cab Summit White 2000 Pontiac TransAm WS6 5.7L V8 LS1 6 Speed Manual RWD Black Bed Lined Grille Bow Tie,White Bow Ties, WeatherTech (Floor Liners, Mud Flaps, Bump Step XL, Hood Protector, Side Window Deflectors & Sun Shade), BedRug, UltraFlex Tonneau Cover, Carhartt Seat Covers, Westin HDX XTREME Nerf Step Bars, Hitch Mount Reverse Lights, K & N (Air ... Jan 15, 2021 · 33 Answers. SOURCE: electric fans run all the time. The radiator and A/C condenser fans are triggered by high coolant temperature or when the A/C is turned on. Check to see if you have a relay sticking closed. The (ECT) engine coolant temp. sensor could also be defective telling the computer that he engine is too hot all the time. 2016 silverado fan stays on, 2020 Chevy Silverado 2020 LT Texas Edition CCSB, 5.3L, Shadow Gray Traded 2015 Canyon SLT, Copper Red, 2WD, CC, SB, V6, Tow, blk leather, factory spray liner, safety pkg, generic roll up bed cover, Tekonsha P3 Brake Controller, Replaced OEM at 70k with Michelin LTX Defender Please add a vehicle description to your Signature Line in your USER CP so we know what you are driving and can more ..., Mar 24, 2023 · For the sake of this article, let’s assume that you need to have a professional fix the Malfunctioning Indicator Lamp. Here are a few problems you might be dealing with and the approximate repair costs. Tighten or replace a loose or broken gas cap: $25-$75. Replace malfunctioning oxygen sensor: $150-$450., My coolant temp stays on 160 degrees. Asked by GuruKC5WZ Dec 07, 2019 at 02:07 PM about the 2014 Chevrolet Silverado 1500 LT RWD. Question type: Maintenance & …, If you own a 2016 Chevrolet Silverado, you might have noticed that the radiator fan sometimes stays on after the engine has been switched off. This can be …, 2017 Colorado Z71 3.6L V6 4WD Extended Cab Summit White 2000 Pontiac TransAm WS6 5.7L V8 LS1 6 Speed Manual RWD Black Bed Lined Grille Bow Tie,White Bow Ties, WeatherTech (Floor Liners, Mud Flaps, Bump Step XL, Hood Protector, Side Window Deflectors & Sun Shade), BedRug, UltraFlex Tonneau Cover, Carhartt Seat Covers, Westin HDX XTREME Nerf Step Bars, Hitch Mount Reverse Lights, K & N (Air ..., Are you a fan of drawing and looking for new ways to stay entertained and inspired? Look no further than drawing art games. These addictive games not only provide hours of fun but also help improve your artistic skills., The most common causes for your Chevy Silverado fan to continue running even when you’ve turned off the engine are related to faults found in the fan relay, the temperature sensors, … See more, Low speed operation is due to 12V power being passed on to the two cooling fan motors in series. When you turn off the engine, and the fans operate on low speed, pull out the third relay and see if the fans stop. I shut the engine off the fans are running I pulled the far right (Fan relay 1) the fans stopped running., I pulled the grey one in the center and the fans cut off (Cooling Fan 1 relay). I then pulled the other grey one (Cooling Fan 2) and put it in to where the other was just pulled and the fans started up again. I pull the Cooling Fan 3 relay and it all shuts off as well. Looks like it is getting a call for switch from somewhere., In today's video we are diagnosing a 2014 Chevy Silverado with a cooling fan issue. The cooling fans will not turn on at all, and the truck will overheat if ..., May 8, 2014 · 613 posts · Joined 2012. #3 · May 8, 2014. AJ's Sierra said: So I start my '14 sierra this morning and it sounds louder than usual. The fan seems like it's loud and doesn't shut off.. Last night I had to take take out and unclip my air filter in order to get to my headlight assembly.. I put everything back as I did the previous night before ... , Page 2 June,2016 Bulletin No.: 16-NA-204 2013-2016 Pick Up Dual Surge Tank 4532412 If during the process of filling the surge tank, a leak is detected in the tank or cap on the 2015-2016 Silverado and Sierra, that both components should be replaced per PIT5497. The Duramax Diesel pickup trucks utilize a re-surge or, If your test proves incoming power, replace the fan motor. Check for any blown fuses or a tripping breaker. If your find a circuit blown fuse or tripped breaker, the fan motor might be pulling too much voltage, causing the fault. Check for a shorted wire or replace the fan motor., Hey there. This can be caused by a number of things such as low coolant levels, a faulty thermostat, or a failing coolant fan switch. As you may know, the coolant fan switch helps to maintain the proper coolant temperature by turning on and off at specific temperature thresholds. When this switch is not working properly, this can cause the fans ..., Dec 15, 2011 · Chevrolet Master. 19,396 Answers. It is located in the fuse/relay box under the hood. Please see the diagram below: Regards. Ginko. Posted on Dec 15, 2011. Anonymous Nov 24, 2019. , If you own a 2016 Chevrolet Silverado, you might have noticed that the radiator fan sometimes stays on after the engine has been switched off. This can be …, 2016 temp gauge not working, radiator fan runs constantly, 3.6L. All of a sudden, the temperature gauge doesn't work (stuck on "L") and the radiator fan runs on high as soon as the car is started. The fan continues to run for a few minutes after shutting off the car. The auto stop/start feature also is disabled., Do you have a Cherolet or GMC vehicle with a blower motor that won't turn off even after removing the key? Well then this video is for you., RADIATOR FAN STAYS ON ALL THE TIME CHEVY, CHEVROLET, GMC, BUICK, CADILLAC Car Scanner: https://amzn.to/2G5lxTi Check out our Amazon Store for the tools and..., check if a/c is on this would activate fans to cool condenser when parked. you would need to look at wire schematic to be sure for that model, very likely. 5 people found this helpful. Mark helpful. 2016 Chevrolet Silverado 1500 LT 4WD. 2005 Chevrolet Silverado 1500., May 4, 2023 by Mike Lewis So you've turned off your Chevrolet Silverado, but you can hear the radiator fan whirring. Obviously, it's still running. It's a real issue most car owners can relate to. This article will answer why your Chevy Silverado fan keeps running and how you can solve that., To understand how the cooling fan should work correctly, you need to know at what temperature the electronic control unit (ECU) turns de radiator cooling fan on. Another way to find out is to look at the data on the fan enable sensor located in the radiator. Usually, it is in the range of + 87 and + 95 ° C (188 and 194 F)., Nov 9, 2022 · Check the engine coolant temperature. Record engine warm up time (checking thermostat operation) Inspect entire cooling system. Perform testing per trouble code or symptom: https://www.dropbox.com/s/g14n8lgdgn4plnx/silverado%20fan.pdf?dl=0. , 2016 chevy 1500 fans stay running temp gage stays at 160. I…. My name is ***** ***** I will be more than happy to assist today and I will do my best to get the issue resolved. radiator engine. Just to make sure i fully understand the issue, the radiator fans will not turn off, engine temperature is stuck at 160 degrees., No A/C. Radiator Fan stays on. No A/C. 400. Asked by almazanmike Apr 30, 2020 at 07:41 PM about the 2016 Chevrolet Silverado 1500 LT 4WD. Question type: Maintenance & Repair. Ok. Looked everywhere and can't find anything about this. My radiator fans are all out off whack (simply put). , Put your car in park. Press and hold the VSC button for 5 seconds and the TRAC OFF and VSC OFF lights should both come on. Press the VSC button one more time and your traction control system will reset. [13] Refer to your manual to identify the location of the VCS button. In most models, it’s next to your gear shift., From reading on the TDI forums, that is one telltale way to know if the DPF was regenerating is the fan being on when the engine is shut off. Those things get incredibly hot when regenerating, and they're directly behind the cooling fan, so they're probably just trying to clear some of the excess heat out of the engine compartment from the regen., Blower motor won’t shut off Blower motor keeps running after car is shut off. If you have a vehicle with climate control system and a variable speed blower motor and the blower motor won’t shut off and stays on HIGH with the car turned off and the key out, chances are the blower motor motor control processor is toast or the HVAC control module is damaged., 2007 Silverado Classic, 1500, Crew Cab, 4WD, 6.0 Litre, Drive it to church Christmas Eve, snowing, heater fan working fine. After service, start engine, heater fan motor does not work. Freeze going ho … read more, blackebenezer • 3 yr. ago. Unplug them one at a time and see which one makes the fan stop. Replace the one that stops the fan when removed. If you get the same result each time you remove one, then my diagnosis is incorrect. Edit: start with the relay closest to the fan and work backwards. 4., Oct 1, 2022 · 2017 Tahoe the radiator fan stays on when car is turned off and AC not running as well. Already replaced the temp sensor heater works fine.. no engine codes … read more , This can cause the fan to seem like it is running too much as once it turns off, it is only a brief time before the pressure is back up to 300 again, and the fan is once again commanded on. If your fan is kicking in at way less than 300, the pressure switch is faulty. If the pressure rises way too quickly, the condenser may not be cooling properly.,