1999 GMC Yukon car wont accellerate

Tiny
YUKON DRIVER
  • MEMBER
  • 1999 GMC YUKON
Engine Performance problem
1999 GMC Yukon V8 Four Wheel Drive 127369 miles

i push on the gas pedal car boggs down and wont accellerate
Saturday, July 31st, 2010 AT 5:33 PM

1 Reply

Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
Lack of acceleration, chugging, hesitating, bogging etc. Could be caused by one of the following below:

Oxygen sensor.
Catalytic converter.
Fuel injectors dirty/sticking.
Mass airflow sensor/Airflow meter.
Throttle position sensor.
Crankshaft position sensor
Knock 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 it.
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Sunday, August 1st, 2010 AT 7:46 AM

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