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2003 Chevy S-10

Tiny
CHEVY66
  • MEMBER
  • 2003 CHEVROLET S-10
  • 6 CYL
  • 2WD
  • AUTOMATIC
  • 117,000 MILES
Hello, my check engine light starts to flash every time I reach 70 mph or so and my truck tends to run rough at that point. As soon as I start to slow down, the service light turns off. I changed all plugs and wires. Also cap and router. Any suggestions?
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Sunday, July 18th, 2010 AT 1:09 AM

1 Reply

Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
Check engine light:

Have the computer scanned for code/s-you have a problem within the engine management system that caused the CEL to turn on-This is your starting point of diagnosis, finding out what's going on.
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Sunday, July 18th, 2010 AT 4:51 AM

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