1993 Toyota Camry Rough Idle when put into gear

1993 TOYOTA CAMRY
130,000 MILES • 4 CYL • 2WD • AUTOMATIC
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INVERSENINJA
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The engine runs slightly rough, until put into gear, be it reverse or any forward drive gear. No check engine light. I've replaced the spark plugs thus far, which seemed to be rather worn. What would the next recommended step be?
Dec 19, 2007 at 7:43 PM
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MHPAUTOS
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Hi there,

other things to check are the fuel filter, leads, air filter. Check ignition timing and idle speed. check for any vacuum leaks around the inlet manifold. any engine adjustments must be done as per workshop manual instructions or more problems will beset you.

Mark (mhpautos)
Dec 19, 2007 at 7:58 PM
Repair Safety Notice: This information is for general instructional purposes only. Vehicle repair can be dangerous. Verify all information, follow manufacturer service procedures, use proper tools and safety equipment, and consult a qualified repair shop when needed.