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1994 Lexus SC300

 

Question: engine almost stalls

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college, 3.0L 6 Cylinder, Orange Park, FL, June 08, 2010, 17:12
 Rookie

when cold it will sometimes act like it is going to stall,cleaned trottle body and change plugs

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  • Answer #1

    dandd June 08, 2010, 18:50
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     Master

    This could be a defective Idle Air Valve that is sticking, which is very very common on these engines. The car will idle close to normal when it is hot but will stall a lot when cold. If is was a vacuum leak, it would run better cold than hot because of the richer mixture. This is where I would focus my inspection.
    If it is an Idle Air Valve, the part is about $335 and takes about 1 hour to install, be sure to get a new Throttle Body Gasket as well.

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    college, June 13, 2010, 05:10
     Rookie

    Thanks for the help!

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