Question about 1987 Toyota Pickup

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Rough idle until warm 22r

I have an 84 toyota pickup that just recently started running really rough,smoking and smells rich until it warms up then it runs like a champ. Any Ideas EGR?

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  • Anonymous Mar 29, 2014

    there are no trouble lights

  • Anonymous Mar 31, 2014

    it starts up the suts off when it gets warm.codes say it ispo0353 dtc.

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If it is a carburated engine it is probably the a.a.p. diaphragm in the carb. if you remove the air cleaner and look on the side of the carb that is towards the valve cover near the front yow will see a vacuum hose going to a cover that is fastened with 3 screws. if you pull the vacuum line off you will see that there is probably fuel being sucked into the line due to the leaking diaphragm. the vacuum source is temp controlled and cuts off when warm. but when cold sucks fuel directly into the intake. remove the 3 screws to replace the diaphragm, being carefull of the spring. good luck!

Posted on Dec 18, 2008

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