Question about 2003 Pontiac Grand Am

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My rpms seem to be running high on my 2003 grand am. it sounds like my engine in revved up really high. why is this?

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  • 334 Answers

It seems a coolant temperature sensor may be bad, reading low temp all the time causing rpm and rich fuel mixture

Posted on Apr 11, 2015

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Posted on Jan 02, 2017

  • 13 Answers

SOURCE: My 2000 Accent GL is reving into HIGH RPMs! 5 speed 1.5 L

check your anti freeze and watch your temp gauge.any check engine light on.

Posted on Nov 15, 2008

  • 1 Answer

SOURCE: High RPMs

The fans problem could be its clutch assembly. Replacing the clutch can solve it, it should help with engine performance. Might cost from $100 to $300 depending on the route you take

Posted on May 05, 2009

  • 1 Answer

SOURCE: 2004 jeep grand cherokee idling problem. Revs motor 200 to 500 rpms higher while driving.

I had the exact same problem on my 04 GC. I put some Techron Concentrate Plus Fuel System Cleaner in from Wal-Mart and it seemed to fix the problems right away. Let me know.

Posted on Jun 01, 2009

  • 299 Answers

SOURCE: 2003 4 cylinder 5-speed tiburon,engine just

This generally indicates a vaccumn leak, or sticking idle air control valve.

Posted on Jun 20, 2009

  • 124 Answers

SOURCE: 2000 grand caravan won't go above 70 mph. high rpms

First I need to ask is it a 4 speed or a 3 speed transmission. If it's a 4 speed when driving down the road pull it from drive to third gear. You shpuld hear the engine speed up if it does not then that means you have on 4th gear and you will have to take it to a transmission shop. If it's a 3 speed then just count the shift points if all 3 gears are present then drive down the road and see if the van goes into tcc. When you mean the rpms are high how high are they.

Posted on Jul 15, 2009

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I had the exact same problem on my 04 GC. I put some Techron Concentrate Plus Fuel System Cleaner in from Wal-Mart and it seemed to fix the problems right away. Let me know.

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My 2000 Accent GL is reving into HIGH RPMs! 5 speed 1.5 L


check your anti freeze and watch your temp gauge.any check engine light on.

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Where is the vacuum hose into the intake manifold for a 2003 Chevy Impala?


IF the engine was revving high RPMS it had to be a serious vaccum leak. If the PCV came undone it would cause it rev up quite high. the shaking was from the factory set RPM limiter when not in gear (around 4,000 RPMS) the only other vaccum leak big enough would be for the brake booster. They both have a check valve but that doesn't mean much. I would start there PCV is around 5 bucks and the other is about the same. If you need pics of location I could do that also.

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