Engine runs rough & burns gas bigtime

Tiny
HAMMMERHEAD
  • MEMBER
  • 1989 GMC C2500
  • 190,000 MILES
Engine runs rough & burns gas bigtime. 10 MPG @ 70 - 73 MPH.
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Wednesday, November 7th, 2012 AT 8:07 PM

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Tiny
RASMATAZ
  • CERTIFIED MECHANIC
How's the engine compression? If okay give it a major tune and see what happens-low engine compression won't benefit from a tune-up-gas eater can be caused by any sub components of the vehicle-such as tires/wheel alignment/brakes/transmission-etc and the list goes on-
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Thursday, November 8th, 2012 AT 7:10 AM

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