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need help from a experience or a ASE Automatic Tech please?
why my 99 Camry v6 142k,miles the engine speed get faster in the slown down when i am aplly the same amount of pressure to the gas pedal at highway speed ? also on street driving like stop in go traffic when you press on the gas lightly soft u can feel the engine i dont know how to explain is like doesnt run smooth when you going soft u need to press on the gas pedal a little hard to make it run smooth .
I already change the spark plug. timing belt water pump, fuel filter, fuel injector cleaner , throttle body cleaner, new tps sensor,
Any Suggest on this problem?
1 Answer
- Richard SLv 61 decade agoFavorite Answer
You really need to go back to the basics. Perform a compression test to make sure that the engine does not have a mechanical issue that needs to be fixed. Low compression will give you these same results, a vacuum leak at the intake manifold can also cause this condition. A stuck or lazy O2 sensor can also cause strange conditions. Start at the beginning and see where it takes you.
Source(s): ASE Master Tech 44 Years
