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Symptoms of a Bad or Failing Downshift Solenoid
Common signs that this component of automatic transmissions is failing include erratic or late shifting and the Check Engine Light coming on.
Symptoms of a Bad or Failing Canister Purge Solenoid
Common signs include rough idle, hard starting, and the Check Engine Light turning on.
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...
Symptoms of a Bad or Failing EGR Control Solenoid
Common signs include engine performance issues like decreased power and acceleration, engine pings or knocks, and the Check Engine Light coming on.
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...
Symptoms of a Bad or Failing EVP Shut Off Solenoid
Common signs include poor cold start performance, the Check Engine Light coming on, and failing an emissions test.
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.

Related questions

Shift selenoid "A" electrical P0753
If you did not do so while replacing shift solenoid "A" (if I am reading your query correctly), disconnect the battery for 10 minutes or so, re-connect the battery, and drive the car for 15-20 minutes. This will reset the...
P0750 code displayed
Hello. Once you have the pan off you can trace the blue wire with the green stripe to the correct solenoid. If you need help having the correct one repaired, an expert from YourMechanic can come to your location to...
Will a sticking valve burn out my variable valve timing solenoid?
Hi there. Typically a sticking valve does not cause the VVT solenoid to fail, but it can increase vacuum pressure inside the motor that will lead to other timing related issues, which can trigger the same error codes. Anytime...
Car starts on its own. Just changed the starter, the solenoid is okay, and I checked the wiring.
Hello. Either the two big terminals are touching each other on the starter solenoid or the starter solenoid is shorted internally. You should check to make sure the two large terminals are not touching. If you would like to have...
How do I clear the P0756 trouble code?
Hi. If the code P0756 has come up, the shift solenoid for second gear is leaking fluid internally. To access the shift solenoid, you will need to remove the oil pan to the transmission. When you do this, drain all...
The rodeo has a slipping problem when taking off. It also shifts hard from 1 to 2 then 3 and 4
Hi, thanks for writing in. Let's go over some basics. The transmission is shifting to all 4 gears. This means the solenoids are working. The solenoids get there command from the PCM. The PCM uses the speed sensors to know...
Purge control solenoid stuck open, hard to start after refuling
Hello. If the computer is saying that the purge valve is stuck open it is usually because there is an EVAP leak in the system. If the purge valve is new I usually check the wiring and the signal going...
My car has been jerking and wont accelerate.
Hello there, thank you for asking about your 2004 Suzuki Forenza. You have a few different faults going on with your car. If you have a 1+2 shift malfunction there are a few potential causes. The most common cause is...
Check engine light on
There are a wide variety of reasons why the Check Engine Light switch may be still on. In this era of Honda pilots, there was a known issue related to the transmission torque converter clutch solenoid which controls the engagement...
My car will not start when I turn the key, it just makes a clicking sound. What is wrong?
A starter like any other mechanical and electrical part is subject to failing sometimes for no apparent reason. However, sometimes this is misdiagnosed as well and often times mistaken for something much more simple like a fuse, relay, or starter...
My car feels as if I am driving it in neutral but I'm not.. my RPM will go up but I cant accel over 20mph. Only happens sometimes
Hi there. This may be a sign of a faulty transmission control solenoid or simply low transmission fluid. Modern automatic transmissions use pressurized hydraulic fluid to change gears. Every time a gear change is required, the car's computer activates a...
My Expedition vibrates a lot when stopped at a slope
Hello and thank you for your question. This symptom is not related to the engine but rather the transmission. If you drive the vehicle around and the engine runs just fine, then either the engine oil is low, causing the...
Prnds flashing lights anb p0777 code
Hello. For this vehicle, it appears that the solenoids are located inside the transmission. For many vehicles the transmission control solenoids are bolted to the exterior of the transmission, however for this vehicle the solenoids are part of the transmission...
intake control solenoid voltage
If the issue persists then it may be possible that the issue is with wiring or computer. Damaged wiring or a faulty computer may compromise power to the solenoid and affect its performance. Many automotive electronic circuits use 12 volts...
can a bad evr/egr solenoid prevent this vehicle from starting ?
If the issue began after you replaced the wiring I would double check the wiring for any faults. A continuity test would be the best way to make sure that the connections are secure and making proper contact. If the...
Car won't crank or start with ignition - Audi A3
Hi there. From the description you have given, the problem of your vehicle not cranking with the key and gear indicator (P) flashing. This leads me to believe, there is a problem with the transmission position sensor. Not recognizing the...
Will a purge solenoid eat up gas
If the he purge valve is open all the time it may cause the fuel tank to go into a vacuum and cause the gas to vaporize more than it should. You should not see very much loss of fuel...
Won't start w/ no engine turn over. (Intermittent)
The system uses a starter relay that is in the engine compartment fuse box. This relay is activated by the ignition switch through the clutch switch and engine control module. You may have a bad relay or problems with the...
I replaced my shift solenoid B becuase it was stuck open well this shade tree mech did it now my tranny wont shift
Hello. The most common problem with the use of a shade tree mechanic is they tend to use substandard parts. Cheaper parts often lead to expensive repairs. This concept is easy to sell if you explain the likely hood of...
Charcoal can gas leak
All modern cars are equipped with an Evaporative Emission Control (EVAP) system. The EVAP system prevents fuel vapors from the fuel tank from escaping into the atmosphere. The EVAP system collects and temporarily stores the fuel vapors in the charcoal...

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