1991 Chevy Lumina Acceleration problem

Tiny
VOLLEYBALLCHICK1074
  • MEMBER
  • 1991 CHEVROLET LUMINA
  • 6 CYL
  • 2WD
  • AUTOMATIC
  • 191,000 MILES
My car was working just fine until a couple days ago. I went to accelerate normally, not fast, at a stop light and it acted like it wasn't getting enough gas. I took my foot off the gas and tried to accelerate again and it went just fine. Now, a couple days later, when ever I want to accelerate I have to extremly slowly other wise it acts like it's not getting enough gas. What's wrong with it? PLEASE HELP!
Saturday, July 3rd, 2010 AT 11:56 AM

1 Reply

Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
Possibilities: Inspect and test all the following listed below:

Oxygen sensor.
Catalytic converter.
Fuel injectors dirty/sticking.
Mass airflow sensor/Airflow meter.
Throttle position sensor.
Crankshaft position 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
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Saturday, July 3rd, 2010 AT 12:07 PM

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