Chevy suburban srvice engine soon light and gauge

1999 CHEVROLET SUBURBAN
91,113 MILES • V8 • 4WD • AUTOMATIC
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TSOLIDAY
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  • 1 POST
CarPros-
Auto- 1999 Chevy Suburban 2500 4x4 464 7.4 L
New purchase last week with 91,131 miles.
My service engine soon light just came on. As well, my gas gauge bounces all over the place, then always sits at 3/4 tank. Otherwise, runs great. What is the common reason.

Thank You, Tim
Dec 14, 2010 at 9:35 AM
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RASMATAZ
  • ✓Experienced Mechanic
  • 75,988 POSTS
SES/CEL On

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.
Dec 14, 2010 at 11:14 AM
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