2002 Chevrolet Tahoe Stalling/loosing power

170,000 MILES • 5.3L • V8 • 4WD • AUTOMATIC
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BERNARD112
  • MEMBER
  • 1 POST
I have changed spark plugs, spark plug wires, fuel filter,fuel pressure sensor, coil packs, full tune up . So when I go to push the gas peddle in it loose power somewhere.There is no check engine light on r nothin could u help tell me the next step. I also had the car scan at three different places.
Jun 12, 2015 at 9:59 PM
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WRENCHTECH
  • ✓Experienced Mechanic
  • 20,760 POSTS
Your description of "It loses power" isn't very detailed at all.

Is it misfiring?
Is it a hesitation?
Is it a smooth loss of power at higher RPM?
Is there ay surging or backfiring?
Is it worse when the engine is cold or when it is hot?
How did this begin?
Jun 12, 2015 at 10:21 PM
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