WHAT'S WRONG WITH MY ENGINE PERFORMANCE?

  • Tiny
  • jwa1949
  • 1993 Chevrolet Truck
  • 220,000 miles

I own a 1993 chevrolet truck. The engine loses power at 70mph and bogs down to about 50mph. Eventually it seems to clear and start running normally again. Have replaced a timing chain, tuned up the motor, added fuel system cleaner, replaced fuel filter, and replaced some exhaust pipes.

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Saturday, August 11th, 2012 AT 10:45 AM

1 Reply

  • Tiny
  • KHLow2008
  • Expert
  • 41,994 posts

Are there any trouble codes?

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Saturday, August 11th, 2012 AT 10:48 AM

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