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solenoids

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How to Replace an Exhaust Gas Recirculation (EGR) Control Solenoid
Exhaust gas recirculation (EGR) systems are controlled by the EGR control solenoid, which is controlled by the powertrain control module (PCM).
How to Test a Starter Solenoid
Starter solenoids are attached to the starter. Test the solenoid with jump cables - when the solenoid fails, the car starter needs to be replaced.
How to Replace a Tailgate Lock Solenoid
The tailgate lock solenoid controls the locking mechanism on your trunk or tailgate and needs to be replaced if your tailgate doesn't unlock.
How Long Does a Canister Purge Solenoid Last?
The canister purge solenoid is part of the evaporative emission control system (EVAP) in your vehicle. A hose connects the canister purge solenoid to the charcoal canister and then to the...
How Long Does a Downshift Solenoid Last?
If you drive a vehicle that has automatic transmission, then it uses a downshift solenoid. In a manual transmission vehicle, you are changing the gears; however, in an automatic transmission vehicle it...
How Long Does a Shifter Interlock Solenoid Last?
Moving the gear shift from park to drive or reverse lets you move the car when you’re ready, but what happens if you bump the shifter accidentally and aren’t ready to...
Symptoms of a Bad or Failing Shift Interlock Solenoid
The shift interlock solenoid needs to be replaced if the vehicle cannot shift out of park and the battery is not dead.
How Long Does a Shift Interlock Solenoid Last?
Modern transmissions are much more advanced than they were only a few decades ago, particularly automatic transmission. There are many new features and designs on the market, ranging from ‘slick’ shifting...
Symptoms of a Bad or Failing Tailgate Lock Solenoid
Common signs include the tailgate not unlocking and the tailgate opening on its own without any buttons being pressed.
How Long Does a Tailgate Lock Solenoid Last?
If you drive a truck and more specifically if you drive a truck that offers keyless entry, then getting into your tailgate is both fast and easy. Part of what makes...
How Long Does an EGR Control Solenoid Last?
In order to help reduce the amount of engine emissions cars have what is called an EGR system, which is an exhaust gas recirculation system. The way it works is that...
Symptoms of a Bad or Failing Variable Valve Timing (VVT) Solenoid
Common signs include the Check Engine Light coming on, dirty engine oil, rough engine idle, and a decrease in fuel economy.
Symptoms of a Bad or Failing Variable Valve Timing (VVT) Switch
Common signs include a rough engine idle, the Check Engine Light coming on, and the engine stumbling when climbing hills or under load.
How Long Does a Variable Valve Timing (VVT) Solenoid Last?
One of the biggest concerns that most people have about their car is how it runs and idles. Most car owners fail to realize just how many different components have to work...
How Long Does an EVP Shut Off Solenoid Last?
The EVP shut off solenoid is the EGR (exhaust gas recirculation) valve position sensor. With that said, it has a fairly important job to perform that will help ensure your...
How to Replace an Evaporation Vent Solenoid
Emissions are regulated in part by the EVAP vent solenoid which goes bad when your car fails emissions testing or has extra pressure in the gas tank.
How to Replace an EVP Shut Off Solenoid
An EGR valve is essential to the EGR system in your vehicle. For this valve to work, the EVP shut off solenoid must monitor its position and function.
How to Replace the Downshift Solenoid in Your Car
Downshift solenoids in your transmission give you a seamless experience when braking, and are important to make sure brakes always work properly.
How to Replace a Variable Valve Timing (VVT) Solenoid
Variable valve timing solenoids fail when the Check Engine Light comes on, fuel economy is reduced, there is a rough idle, or loss of power.
How to Replace a Canister Purge Solenoid
The canister purge solenoid prevents harmful vapor from releasing into the atmosphere. A faulty solenoid will not allow you to pass an emissions test.

Related questions

Question
Automatic transaxle light and check engine light are on.
Hi there. Check the transmission fluid level and color. The fluid should be full when the engine is running at either cold or hot conditions. Plus the fluid should be red in color. If the fluid is dark red in...
Question
My car has had trouble down shifting. Usually starts after a few minutes of driving. Codes: P07A4 and P2701
Hi there. On your transmission there is an actuator (solenoid) for the Overdrive clutch. The code is coming as P2701 for the Overdrive clutch actuator (solenoid) not working and is your main cause of the transmission shifting issue. The code...
Question
Truck clicks one time but wont turn over.
Hi there. If the starter was replaced, first check the battery cables to the starter and make sure that they are tight. If the cables are tight, then the issue could be that the clutch may have broke causing the...
Question
Driving down the road in 2013 Nissan altima coupe and the vehicle stopped pulling on its own.
Hi there. If you have replace the sensor and the codes are coming back on, the there could be an issue with the shift solenoids inside the transmission. The code P0500 is coming up for the output shaft speed sensor...
Question
The transmission keeps dropping out of overdrive.
Hi there. If the transmission is coming out of overdrive and back into overdrive, either the downshift solenoid has an internal leak or there is an internal issue with the transmission overdrive clutch. Check the downshift solenoid and see if...
Question
Having a starter issue and I have done all the troubleshooting to know it's the starter. 1997 Ford F150
Hi there - I suspect the "bolt" you mention is on the starter solenoid, which has burned contacts. This means that you can measure voltage to the solenoid, but there is not enough current through the solenoid contacts to kick...
Question
Why would a solenoid replacement , and spark plugs cost 943.
Hi Jacqueline: Spark plugs for your vehicle, if you buy them retail, over the counter, from any of the auto parts stores cost roughly $2 to $4 per plug, plus tax. Your vehicle has 4 cylinders so, of course, you...
Question
P0773 code is read on a scanner.
Hi there. Yes you will have to remove the valve body to remove the shift solenoids. There is not enough room to pull out the solenoids without damaging them. If you need further assistance with replacing the shift solenoids, then...
Question
2006 Kia spectra stops shifting seemingly randomly.
Hi there. The transmission may have a failed harness or a failed computer (TCM). With having all of the shift solenoids and the torque converter clutch not functioning correctly, then there is a connection error. Remove the harness to the...
Question
No overdrive in my car.
Hi there. Check the 3-4 shift solenoid through the harness to the transmission and see if there is a resistance on it. If there is no resistance on the solenoid, then the solenoid is burned up and needs replaced. Also,...
Question
What could cause it not to move forward?
Hi there. When the pump is turning in the transmission and the oil cooler line breaks off, the oil tends to pump out very quickly. It sounds like the pressure control solenoid has failed and is not directing the pressure...
Question
Car won't shift out of park.
Hi there. The shifter interlock solenoid could be shorting out causing a draw on the vehicle. Turn the key on to the 'ON' position and step on the brake pedal. Try putting the transmission in neutral. If the shifter will...
Question
My gear shift doesn't shift to any other gear its stuck on neutral. I open the gear assembly and I can pull a lever which allows me to move it.
Hi there. The shifter interlock solenoid is not working and needs replaced. The shifter interlock solenoid makes the shifter lock in place so it does not move if you accidentally move it into another gear. If you need further assistance...
Question
I have a 1998 ford ranger(AT) its shifting roughly, when i come to a stop, the truck wants to keep going, and as a result, the truck stalls out.
The torque converter clutch is not releasing as the transmission is shifting. Try pulling the fuse to the torque converter labeled as TCC and see if the symptoms change. If the vehicle stops acting up, then the torque converter clutch...
Question
Variable valve actuator fix for 2006 Mazda 3.
The best fix is to replace the variable valve timing solenoid on the engine. But before you replace the solenoid, change the engine oil and filter and see if the noise lessens or goes away. The solenoid is activated electronically...
Question
2006 Terraza - well kept up with 167 miles. After starting then engine, often it is impossible to shift from Park for a while with engine running. Any common clues?
Hi there. Either the shifter interlock solenoid is not working at times causing the shifter to not move out of park or the neutral safety switch on the brake switch is not working at times causing the shifter to not...
Question
What are the signs my Timing Chain needs to be replaced?
Hi there. The noise that you are hearing could be either the timing chain or the variable valve timing solenoids. If the sound is constant and rattles easy and does not bog down the engine, then the timing chain is...
Question
Intermittent throttle position vs acceleration -- either a lot or a little to accelerate from a stop and maintain speed.
Hi there. The issue seems to be with the downshift solenoid in the transmission. As the throttle is demanded by the gas pedal, the downshift solenoid overrides the line pressure in the transmission to the lower gears to allow the...
Question
P0175 p0101
Check the fuel injectors and see if they are leaking and not atomizing properly. The injectors could be working fine but dripping instead of spraying. I recommend performing a injection cleaning on the engine to see if the injectors will...
Question
Won't start unless I wiggled the solenoid harness. Extreme break pressing or shifting through gears several times.
There is a ground or broken wire issue in your vehicle causing the engine to not start. Check the harness to the solenoid and see if there is a loose wire or a broken wire. If the wiring is good,...

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