Question about 1993 Toyota Camry V6

1 Answer

Runs rough, exhaust smells like gas,

Had all injectors cleaned, put it back and problem still exhists.

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  • yadayada
    yadayada May 14, 2010

    what problem? u don't say

  • masons808 May 14, 2010

    Runs rough meaning sounds like car is missing

  • yadayada
    yadayada May 14, 2010

    has the electronic control system been tested for fault code to explain this, have you had the engines compression checked, what is the fuel pressure reading, do u have any intake manifold vacuum leaks, have these areas tested, suspect u have a poss vacuum leak or low compression.

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Check everything, you need to cover as much as possible to narrow your search down. Without a good scan-tool you will have to do your best to find the problem. When was the last Complete tune-up? Is the air-filter clogged? Are the spark-plugs firing correctly (a blueish/white ark) a dull yellow/orange ark is weak and could be the result of a bad coil and/or wiring.
If the engine has problems like bad valves or incorrect timing. This can cause a gas in the exhaust situation.
If the back pressure inside the exhaust is too high this can do it too, CAT could be clogged.

Posted on May 14, 2010

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