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2003 Corolla rough idle.

  

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Scotty I just bought a 2003 Toyota Corolla with a manual transmission and 131,000 miles for 1,100 dollars. The car seems well maintained but has a very low idle. In neutral without touching any peddles the car runs at 800RPMs and the car vibrates a lot. I hooked a scan tool up and it does not show a misfire code. Any ideas as to what might be causing this?


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Try my video make your car run better with a little spray cleaner


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Possible vacuum leak.  Check all vacuum hose fittings and connections.  800 rpm at idle is fine, but it should be smooth.


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