2004 Chevrolet Silverado 1500 5 3 Check Engine Light Comes On Reduce Power

2004 CHEVROLET SILVERADO
108,000 MILES
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MAINSTREETBISTROWYTHEVILLEVA
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  • 2 POSTS
i have 2004 1500 5.3 and the check engine light comes on then engine reduce power comes on .then other times light does not come on and the engine runs at high rpms (2500 or more) i have changed throttle body, fuel petal position sensor, throttle control module ,mass air flow sensor, and none has fixed the problem .what is my problem .


Dec 10, 2012 at 2:56 AM
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ASEMASTER6371
  • ✓ASE Certified Mechanic
  • 52,796 POSTS
  • ASE Certified Mechanic
what is the code

Roy
Dec 10, 2012 at 2:59 AM
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MAINSTREETBISTROWYTHEVILLEVA
  • MEMBER
  • 2 POSTS
p1025 was code.
Dec 10, 2012 at 4:23 AM
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