Question about Cars & Trucks
I have replaced the Idle air control valve, throttle positioning sensor and cleaned the throttle body. had it checked out with engine diagnostics machine which says there is nothing wrong. but it still will unexpectedly while driving down the road high idle to 3000 RPMS. to get it to stop. I stop shut off engine wait for a few seconds then start and go. it will run fine until it does it again .
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Posted on Jan 02, 2017
check or clean out throttle body at throttle plate it may have carbon build up on it. also make sure air filter is clean and check or replace the intake air tempurature sensor.(iat) sensor. the sensor is under 20.00, the sensor is after air filter in the big hose to throttle body.
Posted on Feb 15, 2010
Check the fuel pump and fuel filter.if the fuel is getting blocked due to dirt in fuel or clogged filter then the car will stop in between while driving because the flow of fuel will stop due to this dirt in the fuel.This has to be checked.
There are many other possibilities that has to be checked in this case.
1)Sometimes the car will just plain stop running if there is a faulty/weak coil wire.
2)If your car has safety alarm system in it then this can be the other reason .in this case either the alarm needs to be disabled or the alarm needs to be replaced.
3)In some cases its the problem of ECU .it gets short or faulty due to electrical short circuit in the car.
Also other common possibilities that has to be checked are.
1)The voltage of the battery .It should be exact 12 volt.
2)The condition on the alternator .if the alternator is weak or faulty it will not let the battery charged.when the car is running at that time the alternator keeps on charging the battery.if the alternator is faulty it will not charge the battery.so this has to be checked.
3) The other thing to be checked is the spark plug. and the coil pack.if the coil pack is weak or faulty it will not let the spark to come when you start the car.
Also the other best option is to get the car scanned at car diagnosis center.at diagnosis center you will receive the error codes of which part is faulty or weak in car , due to which the problem is occurring.
At www.autozone.com its free to get car scanned.they also deals in selling parts .so you can get the faulty parts replaced by their technicians.
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Posted on May 17, 2010
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