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The idle valve is probably stuck. It probably needs to be changed. ----------------------------------- This may also indicate a vacuum air leak. My Odyssey did this recently. The idle and all other vacuum systems are connected. If one leaks, the idle may be effected. Question: Is your TCS light coming on and check engine light coming on? I used my TCS when it snowed last, and it started doing this right after (revving up and down). The TCS is a vacuum engaged system. Mine was stuck between on and off... probably because it is not used often. I fixed it! Simply put the vehicle in drive and burned a little rubber. The extra tork on the drive train disengaged the TCS completely and the problem immediately went away. Many part stores such as Advance have code checkers also. You can use one for free at many stores. You can clear your codes if your engine light is stuck on - to make it go off once it is fixed. Hope this helps someone, Marc
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∙ 15y ago
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How do you rev up your car?
start the engine and press the gas pedal while it is in park
Why does the engine rev up while sitting in park?
malfunction? Did you turn the car off?
Why cant i rev my car high in park. Its a 2014 accord coupe i4 and when i rev it in park it only goes up to 3-4000 rpm?
It has a rev limiter. It designed to keep the engine from over revving and doing damage.
Why does the legend shut off at high rpm then kick back in as the car slows down?
Rev limiter to save the engine from blowing up. Rev limiter to save the engine from blowing up.
What would make the rpm needle rev up and down in 1990 Honda civic while the car is in PARK and running?
senor
What is revving a car mean?
To rev the engine simply means pressing the accelerator down with the car in neutral as if you are preparing to take off fast for a race.
Is it good to rev your engine?
It is not good for your car if you rev your engine too much. Many people like to do this because they think it makes their car sound cool.
When my 94 town car is in park if you shoot a rev to the motor it will rev up then drop down below idle speed almost stall or stall but will restart again?
ID-ten-T error.
Why wont your car rev after half thottle?
If the vehicle is in neutral or park and it doesn't rev over half throttle, it is the rev limiter (governor). That is normal.
What are the use of RPM in car?
There is no use for rpm in a car A: I an assuming you mean the rev counter in cars. The rev counter tells the driver how fast the engine is turning its revolution per minute. In a situation where you can't here the noise of the engine, it is useful to see on a gauge how may rev the engine is doing. Max revving a car for prolonged periods can blow the engine.
How high will a NASCAR engine rev to?
They rev out to around 9500, give or take a little bit depending on the car
Does gearing down the car while going downhill damages the car?
Nope. All it does is make the car go slower, and there are rev limiters in place in case you do make the engine spin to fast. So no problems with that
