2006 Chevy Cobalt 2006 CHEVY COBALT

70,000 MILES • 4 CYL • 2WD • AUTOMATIC
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LIZETTE ALBINO
  • MEMBER
  • 1 POST
IVE HAD MY CAR GOING ON 2 YRS.I GIVE A OIL CHANGE ONCE A MONTH YESTERDAY MY CAR TURN OFF WHEN I PUT IT IN DRIVE ,BUT IT TURN BACK ON,I NOTICED THE RPM NEEDLE GO BELOW 1 AND THEN COME BACK TO 1 RPM,DO I NEED A TUNE UP OR IS IT MY TIMMING BELT. THANKS
Aug 14, 2009 at 4:35 AM
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MMPRINCE4000
  • ✓Experienced Mechanic
  • 8,548 POSTS
Tune up wouldn't hurt, but before throwing parts at it, it could be a fuel issue, spark etc.

I would have the PCM scanned at most autoparts stores for free, look for any codes or pending codes.

Misfires will set an error code on PCM.
Sep 10, 2009 at 11:45 PM
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