Question about 1992 Toyota Pickup

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Rough idle put new plugs and wires and fuel filter on about a year ago it is 1992 toyota pick-up has over 200,000 miles but idles rough and runs rich

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  • irishdav Dec 02, 2008

    SAme exact problem

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Check you throttle position sensor first then fuel pressure regulator, then fuel pump. i have a 92 and had to recently do a massive overhaul. my rough idle was caused by a malfunctioning tps with a small exaust leak causing it to race and an intake manifold gasket. also check your idle speed adjustment settings.

Posted on Dec 03, 2008

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