1997 Chevy Suburban no power when accelerating, kinda bogs

Tiny
G W
  • MEMBER
  • 1997 CHEVROLET SUBURBAN
Engine Performance problem
1997 Chevy Suburban V8 Four Wheel Drive Automatic

I have replaced fuel pump & filter, one cat. Plugs, it starts good idles good, just doesnt have much power. Any input on it would be appreciated
Tuesday, February 23rd, 2010 AT 9:07 PM

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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Tuesday, February 23rd, 2010 AT 9:17 PM

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