93 Olds 88 Issues

1993 OLDSMOBILE 88
140,000 MILES • 6 CYL • FWD • MANUAL
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HAPPYPAINTER39
  • MEMBER
  • 1 POST
Just bought 93 Olds 88 (V6 338) for teenage son, appeared well maintained, 1 owner. #1 Now seems to hesitate at slow speeds and up hill - higher speeds ok. Put new tank of 93 octane in, but same issue. #2 He put in it in Reverse to park and it stalled and then engine smelled like smoke. Ideas??
Nov 16, 2010 at 6:25 PM
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RASMATAZ
  • ✓Experienced Mechanic
  • 75,992 POSTS
Lack of acceleration,chugging,hesitating,jerking,bogging,misfiring etc. could be caused by one of the following below

Oxygen sensor.
Catalytic converter.
Fuel injectors dirty/sticking.
Mass airflow sensor/Airflow meter.
Throttle position sensor.
Crankshaft position sensor
Knock sensor
Manifold absolute pressure sensor.
EGR Valve
Fuel pressure regulator leaking or defective fuel pump.
False air leakage.
Fuel contamination.
Foul/defective spark plugs.
Open spark plug wires.
Ignition coil/Coil packs defective.
Incorrect ignition timing.
Cap and rotor.

Note:If it doesn't apply disregard it
Nov 16, 2010 at 6:27 PM
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