1988 Honda Accord stumbling on acceleration

1988 HONDA ACCORD
325,000 MILES • 4 CYL • FWD • MANUAL
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STONY1984
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  • 1 POST
my car just starting stumbling when i try to hold it at a steady speed on on acceleration,it only seems to do this at operating temp, not when its cold. i changed the plugs, cables, cap, and rotor. could this be a stuck vave? i also noticed that the rubber cover is gone off the bell housing, could i have oil on my clutch? what else causes this problem? thanks
Jul 17, 2009 at 8:48 AM
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RASMATAZ
  • ✓Experienced Mechanic
  • 75,988 POSTS
1988 Honda Accord stumbling on acceleration

Dirty fuel injectors (cleaning the injectors often fixes this).
Bad MAP (manifold absolute pressure) sensor
Bad TPS (throttle position) sensor
Bad or dirty MAF (mass airflow) sensor
Low fuel pressure (leaky fuel pressure regulator or weak fuel pump)
Vacuum leaks (intake manifold, vacuum hoses, throttle body, EGR valve)
Bad gasoline (fuel contaminated with water or too much alcohol)

Sometimes, what feels like a hesitation is actually ignition misfire rather than lean misfire. The causes of ignition misfire may include:

Dirty or worn spark plugs
Bad plug wires
Weak ignition coil
Wet plug wires
Jul 17, 2009 at 10:24 AM
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