1995 Toyota Camry Miss Fire toyota camry

1995 TOYOTA CAMRY
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JAATSHARMA
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1995 Toyota Camry 4 cyl Front Wheel Drive Automatic
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Hello there,
Well i have toyota camry 1995 2.2L engine..it stops on highway suddenly then i took to a mechanic he changed like every part releated with ignition system that are : distributor, ECM, spark pulgs, wires, fule pump..n all stuff necessary to start a car..and he start the car..but now it;s causing miss fire and starting problem in the morning. ..i took car to him ..but he couldnt figure out what's wrong with car?? i took to toyota delar..but they also fail to find the problem with my car ..so they just tell me to sell the car??? Is it a good to sell the car becuse it just missfires.??? guys can u help me what should i have to do to get this done??
Sep 18, 2008 at 1:44 PM
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RASMATAZ
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Check the engine compression/fuel pressure/oxygen sensor/idle air control valve and comeback with the results
Sep 18, 2008 at 1:55 PM
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JAATSHARMA
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well the mechanic who check the car around five days ..tell me that fuel pressure and compression is good ...so i dont know what else is wrong with it ...
Sep 18, 2008 at 4:21 PM
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RASMATAZ
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Misfires can be caused by worn or fouled spark plugs, a weak spark (weak coil, bad spark plug wire), loss of compression, vacuum leaks, anything that causes an unusually lean fuel mixture (lean misfire), an EGR valve that is stuck open, dirty fuel injectors, low fuel pressure, or even bad fuel.
Sep 18, 2008 at 4:45 PM
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JAATSHARMA
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well i allready told you that spark plug and wire set is new..the whole distributor is new,which includes coils and all this stuff...compression is good..vacuum sensor is working fine...injectors are working fine.fule pressure is good enough ...i dont know about the EGR valve but i will ask tommorrow about it to mechanic but i m sure that he has checked every stuff ..so is there any other possibilities of miss firing ???
Sep 18, 2008 at 5:55 PM
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RASMATAZ
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This is not a simple thing to fix-that was just possibilties I've given you.

Could be vacuum leak showing up when the engine is cold once the engine warms up it seals itself.
Sep 18, 2008 at 6:17 PM