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SOmetimes when I start the engine the yellow.

Tiny
ANONYMOUS
  • MEMBER
  • 2003 GMC C1500
  • 226,000 MILES
SOmetimes when I start the engine the yellow engine light comes on and it says "reduced engine power" The truck then only has partial power. I can cut the power off and then back on and everything runs good for several days.
Tuesday, January 15th, 2013 AT 1:22 AM

2 Replies

Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
Have the computer scanned for code/s, this your starting point finding out what's wrong causing the CEL to come on-
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Tuesday, January 15th, 2013 AT 1:27 AM
Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,885 POSTS
Have you ever had the computer scanned for trouble codes.
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Tuesday, January 15th, 2013 AT 1:27 AM

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