back fires and low power when pushing the throttle

197,000 MILES • 5.7L • V8 • 4WD • AUTOMATIC
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TAHOE 97
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  • 1 POST
I started the Tahoe up the other day and it ran fine idling when I gave it gas it had very little power so I gave it more it started back firing and cutting out I replaced the spark plugs wires and cap and rotor
Jul 15, 2014 at 2:02 AM
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HMAC300
  • ✓Experienced Mechanic
  • 48,601 POSTS
scan for codes and check fuel pressure with a gauge first 60-66 psi at rail
Jul 15, 2014 at 2:28 AM
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