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1998 Chevy Lumina engine lacks normal speed

Tiny
TOOCHIE29
  • MEMBER
  • 1998 CHEVROLET LUMINA
Engine Performance problem
1998 Chevy Lumina 6 cyl Front Wheel Drive Automatic

when driving I press the gas but it want pick up speed and I notice black smoke coming out of the tail pipe
Sunday, May 16th, 2010 AT 2:24 PM

1 Reply

Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
Inspect and test all the following listed below and get back with some results

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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Sunday, May 16th, 2010 AT 4:07 PM

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