1993 GC RPM problem

shooter · 06-20-2004, 10:51 PM

My RPM's keep fluctuating from 2000 to 2500 at highway speeds. It feels like it's dropping down a gear, which would cause the RPM's to raise, then the RMP falls back down, as if the car shifts back into a higher gear. I got a tune up and fluids changed but it didn't solve the problem. Maybe it's the vacums, but I'm not sure. If anyone has any suggestions I would really appreciate it, thanks.

driede · 06-29-2004, 04:53 PM

Quote:

Originally Posted by shooter

My RPM's keep fluctuating from 2000 to 2500 at highway speeds. It feels like it's dropping down a gear, which would cause the RPM's to raise, then the RMP falls back down, as if the car shifts back into a higher gear. I got a tune up and fluids changed but it didn't solve the problem. Maybe it's the vacums, but I'm not sure. If anyone has any suggestions I would really appreciate it, thanks.

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chris5.2 · 07-01-2004, 09:06 AM

I use to have a similar problem in an older car , check your transmision oil level .

shooter · 07-01-2004, 11:04 AM

I did have the transmission fluid flushed, but I'll take a look at the oil levels, thanks.

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