1994 Pontiac Transport lacks power

Tiny
VSOTELO1970
  • MEMBER
  • 1994 PONTIAC TRANSPORT
  • 6 CYL
  • FWD
  • AUTOMATIC
  • 180,000 MILES
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.
Sunday, February 21st, 2010 AT 10:56 AM

1 Reply

Tiny
RASMATAZ
  • MECHANIC
  • 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.
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Monday, February 22nd, 2010 AT 4:18 AM

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