2006 Chevy Cobalt 2006 CHEVY COBALT

2006 CHEVROLET COBALT
70,000 MILES • 4 CYL • 2WD • AUTOMATIC
Avatar
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 11:35 AM
Advertisement
Avatar
MMPRINCE4000
  • ✓ASE Certified Mechanic
  • 8,548 POSTS
  • ASE Certified Mechanic
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 11, 2009 at 6:45 AM
Join 2CarPros for free, one of the most advanced car repair communities on the internet. From first-time drivers to seasoned mechanics, everyone is welcome to reply, share details, and get better answers. You can add a temporary image or video first; uploads are limited to 20 MB.
Ask a Free Question
Repair Safety Notice: This information is for general instructional purposes only. Vehicle repair can be dangerous. Verify all information, follow manufacturer service procedures, use proper tools and safety equipment, and consult a qualified repair shop when needed.