2003 Gmc C1500 Sometimes Start Engine Yellow Light Comes On Reduced Power

2003 GMC C1500
226,000 MILES
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ANONYMOUS
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  • 1 POST
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.
Jan 14, 2013 at 5:22 PM
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RASMATAZ
  • ✓Experienced Mechanic
  • 75,988 POSTS
Have the computer scanned for code/s, this your starting point finding out what's wrong causing the CEL to come on-
Jan 14, 2013 at 5:27 PM
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JACOBANDNICKOLAS
  • ✓Experienced Mechanic
  • 110,246 POSTS
Have you ever had the computer scanned for trouble codes.
Jan 14, 2013 at 5:27 PM
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