2004 - Problem

#1
Hello guys i have a problem in mi corolla s 2004 with 106000 millage , the problem is when i press the pedal o brake the car show a little vibration in the enginer and rpm down a little, i clean the injector , change the filter , spark, clear the tank of fuel , check the coil , check the ecu , and dont can solutione the problem , some people say , clear the valve iac but i need opinion about that, the car dont show the light the check engine , on is normally ..


thanx guys ... for help me
 
#4
NOP, the symptoms of brake is diferent. the vibration feel in the enginer, and the rare is when i reset the ecu disconect the positive battery the vibration disappears, dont have the light check engine on.. thanx
 
#6
Do you live in the U.S.? If so, you can get your Corolla's computer scanned for free to try and diagnose the problem. An engine running rough indicates a misfiring condition and this will show with a scan.
 
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