Question about 1991 Toyota Camry

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2000 Camry 4 cyl 2.2L. CEL on 2 codes P0300 and P0303, random misfire and cyl 3 misfire respectively. It runs rough and misfires at idle and during driving is very sluggish and rough running, during acceleration the check engine light blinks (running lean air/fuel ratio?). I have replaced the fuel filter, checked all the vacuum lines for leaks, removed and inspected the EGR valve: no problems, Cleaned the EGR vacuum modulator filter. My next task is to remove and inspect the plugs and wires. They are less than 2 years old. Beyond this what else should I try.

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I have exactly the same problem and codes you listed on my 2000 Camry 4 cyl. I replaced the plugs which had no effect. My friend mechanic said the problem is deffinitely the wires and I could also need to replace the coil pack.

Posted on Dec 31, 2008

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Sounds like you have a problem with the spark the coil may be on its way out or there may be oil in the spark plug holls shorting out the spark.
your best bet is to pull the leads out 1 at a time and and look down and check for oil if there is oil there get a new rocker cover gasket.
if no oil refit plug leads loosely and start the car remove one lead at a time slowly and look at the spark cumming out the end off the lead is it blue? if so it is ok if it is yellow and dull you have a coil problem. also check that the spark is only coming out the end of the lead as it may be coming out the side of the lead and shorting to earth,
you can do this by slowly moving the lead around the top of the spark plug holl and see were the spark is coming from

be carfull no to shock your self as it hearts like hell

good luck

Posted on Jan 01, 2009

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