1998 Chevy Tahoe Hesisitation

1998 CHEVROLET TAHOE
169,000 MILES • V8 • 2WD • AUTOMATIC
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LASHUN.MCKNIGHT
  • MEMBER
  • 1 POST
Hello! My vehicle only has hesisitation and "misses" when it rains or it is damp in the air. This has just started about a month ago? It seems to backfire when i crank it - it has gotten to where it does that often? What causes this
Feb 22, 2010 at 2:54 PM
Repair Safety Notice: This information is for general instructional purposes only. Vehicle repair can be dangerous. Verify all information, follow manufacturer service procedures, use proper tools and safety equipment, and consult a qualified repair shop when needed.
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RASMATAZ
  • CAR REPAIR CONTRIBUTOR
  • 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 10:15 PM
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