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19/11/2022 2:46 am
Topic starter
Hi. I bought a 03 Corolla se automatic. About a year ago it has 138k now. Recently I noticed that when idling revs keep going up and down between 2k and 500. Also when at a traffic light or stop ...Any possible causes? Thank you!
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19/11/2022 6:33 am
First, do my video Make your car run better with a little spray cleaner. It's on YouTube and that cleaning off and fixes it. If not odds. Are you have a vacuum leak so then check for where air is being sucked in? You'll hear it when it's idling could be a broken vacuum hose leaking intake man full gasket
