Question about 1992 Toyota Pickup

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I have a 1992 toyota pickup.the check engine light will come on and when i press the gas pedal it loses power and spits and sputters and cant make it up a hill,when the weather is cold it doesnt do this near as often.but yet sometimes when its hot outside it will run great and then sometimes mess up and stay like that for weeks at a time.like it has a mind of its own.i never know when it is going to do this or when its going to run great.please help! ive replaced fuel pump,fuel filter and oxygen sensor.

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The check engine light is coming on to letyou know that the engine control computer has stored a fault code that will lead you to the problem and ultimately, the fix - providing it is properly diagnosed. Replacing parts without properly diagnosing the engine control system can be EXTREMELY expensive!
From the symptoms you are describing, it sounds like you may have a problem with an engine coolant temperature sensor.... But I would still have this properly diagnosed before running out and buying a new sensor.

Posted on Apr 09, 2011

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Hello,
I had the same issue with my 1998 SR5 it ended up being the EGR valve. The dealership rebuilt the whole motor and the same issue after install and it was the EGR valve.

Posted on Dec 08, 2014

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Sounds like a fuel delivery problem depends on which motor you have 2.4 or 3.0 check for fuel filter clog if not check fuel pressure if not within specs replace it.

Posted on Apr 09, 2011

  • Ricky Peters
    Ricky Peters Apr 09, 2011

    most likely the fuel pump is bad.

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