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Check engine light/ car RPMS to high

I have a 1996 saturn SL2 with 150k on it, manual transmission. At around 70Mph the cars RPM's are at 3 and if i stay there too long my check engine long blinks. Sometimes my car will jerk for a second and the check engine light will light up again, what should i do or what could it be? and is 3000 RPMS normal at 70 MPh?

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5 Answers from these members:
bikerbigpapa bikerbigpapa
Yes the RPMs are correct and the check engine light is an indication that the computer is seeing something that it sees as a hazard to how the car is running. Such as running too lean or rich. There should be a code set in memory so that this issue can be further diagnosed.
by bikerbigpapa bikerbigpapa
October 22nd, 2011
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Manage My Life
Thank you john, great help
by Manage My Life
September 27th, 2011
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Manage My Life
sounds like it needs a tune up and air filter new plugs and wires or bad coil pack could be going bad at 70mph rpms will be at 3thousand or higher because of the horsepower of the engine if it was in the 5 or 6 thousand mark i would say you have a problem but if its at 3 that is normally where it would be at 70 at 55mph it would be at 15 to 2000 rpms and if its at 60 to 65 it would be around 2100 to 2500 rpms so it sounds like the rpms are fine but you have a miss in the engine which if you give it a tune up that cold cure the problem also it will make the engine light stay off unless its a faulty sensor good luck hope this helps you
by Manage My Life
September 20th, 2011
Answered in 3 hours
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Manage My Life
Iv thought of taking it to a mechanic but will be pricy, thank you, i will wait for expert
by Manage My Life
September 20th, 2011
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Manage My Life
I know that keeping your car running is very important. While you are waiting for your expert answer, I did some research on the problem. This is not normal for this type of car, and it ususally means a problem with the transmission. The only way to know is to take it to a mechanic. I hope this helps.
by Manage My Life
September 20th, 2011
Answered in 10 minutes
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