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🙁 plz help!
Just got this used car. I have been driving for 1 month, no check engine light. Had one, changed the oxygen sensor, and its gone.
All the engine mounts, spark plugs are new. My mechanic friend saw the cylinder 1&3 has some oil on the seals when he changed the spark plugs. He doesn’t know what the issue is. I wonder why??
There’s no vaccum leak. I wonder if it’s tbe IAC sensor, but no check engine light.
The RPM was at 700-800 when break, and it shaked violently on Drive and Reverse, my friend moved up to 1000 at stop, now it doesn’t shake as much at stop, but it’s kinda bad.
I’ve spent way too much on this, plz help!!
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see if this link helps. start with a power balance test.
http://www.ericthecarguy.com/faq/solving-automotive-performance-issues
As the p corolla Camry, rav4, tarago etc varients get older or have higher mileage the IAC tends to become blocked causing issues on at idle. Obviously since its use to control the idle air flow. Best thing you can do is remove the IAC, clean it out with brake and parts cleaner and reinstakk with a new gasket ☺
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