1994 Pontiac Transport lacks power

1994 PONTIAC TRANSPORT
180,000 MILES • 6 CYL • FWD • AUTOMATIC
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VSOTELO1970
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  • 1 POST
Hello i have a 1994 pontiac transport with a 3.8 v6. It idles great, but the problem im having is if you hit the gas it boggs down as if it wants to stall. Its doing this in park and in gear. and if you take your foot off the gas pedal it idles great. prior to this the car was running great.
Feb 21, 2010 at 10:56 AM
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RASMATAZ
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  • 75,992 POSTS
Inspect and test all the following listed below:

Oxygen sensor.
Catalytic converter.
Fuel injectors dirty/sticking.
Mass airflow sensor/Airflow meter.
Throttle 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.
Feb 22, 2010 at 4:18 AM