Rpm

2004 BUICK RENDEZVOUS
129,000 MILES • AWD • AUTOMATIC
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SARALS
  • MEMBER
  • 2 POSTS
My rpm go to 7, this is recent, gears change fine and no other warning lights on, except for when I have my headlamps on auto the service engine light goes on, but it won't go on when headlamps are turned on before turning the car all the way on? I've had this car 4 little over a year, and the only issue was a reached water pump, then the timing of the rims went up!
Dec 21, 2015 at 11:06 PM
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HMAC300
  • CERTIFIED EXPERT
  • 48,601 POSTS
check for a vacuum leak and check battery for condition including load test. also check charging system.
Dec 22, 2015 at 6:10 AM
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SARALS
  • MEMBER
  • 2 POSTS
Thanks I'll look into that! and then I'll get back?!!
Dec 22, 2015 at 7:20 PM
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