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Drivability
1991 Honda Accord

Drivability

(1991 Honda Accord)
engine has a miss at idle hesitates on accel sometimes will idle at abot 800rpms sometimes 1500rpms any help would be apprecitates
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Popular Answer
If the engine has not been "tuned up" in quite a while it may be a good start, replace the spark plugs and ignition system, the air and fuel filter, adjust the valves and clean the throttle venturi. Check the coolant level as a valve on the intake manifold that has coolant flowing through it controls the idle speed. Ensure the intake manifold has no vacuum leaks.
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General Diagnosis
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If the engine has not been "tuned up" in quite a while it may be a good start, replace the spark plugs and ignition system, the air and fuel filter, adjust the valves and clean the throttle venturi. Check the coolant level as a valve on the intake manifold that has coolant flowing through it controls the idle speed. Ensure the intake manifold has no vacuum leaks.
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sounds like a vaccum leak
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