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Q: Why might an engine smoke at high rpms?
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What could be the problem if your 1990 Plymouth laser rs rpms are to high you have changed the iac motor and the engine comp because the mecahnic said that was the problem but the rpms are still high?

did they want freedom


How high can a 289 engine idle be?

It should idle at aprox 650 rpms warmed up.


Why does car stall when RPM drops?

The rpms need to be high enough to keep the engine running. Most engines need at least 850 rpms to keep from stalling.


Youkon engine over heat and high rpm?

If the Yukon engine has high rpm while driving, check the transmission for slippage, that will cause the engine to over rev. The overheating could be caused by the high rpms.


Harley Davidson 88 cubic inch oil pressure how much it should be?

Obviously depends on RPMs. Normally 15-20psi at idle. Could be as high as 30-40psi when the engine is under high RPMs.


What does the S on the gear shift stand for?

It stands for sport and when you drive with it there it lets the engine rev higher for any given speed. So say at 40MPH in drive the rpms might be 3000 and in sport at 40 mph it might be 4000 rpms.


What is better low or high rpms?

lower rpms use less gas higher rpms have more power


Why is engine revving so high on a silverado?

An engine revving to high RPMs could be a symptom of many conditions. The potential cause?æalso depends on whether this happens?æwhile idling or while driving.


What makes an automatic engine sound like its in low gear at high speed?

theres no specific sound it all depends on your RPMS


Does driving second gear on a high way do permanent damage to your engine?

The high RPMs and cause rapid wear and high temperatures. Overall, if it seems to have broken, then it is broken, otherwise it isn't.


Why do automobiles engines idle 6000 rpms?

If you have an engine that idles at 6000 rpms, you need to have it checked - immediately. Around 750 rpms would be normal.


What is the torque of a 60 hp VW engine?

The 60-horsepower VW engine has a torque specification of 115 pounds at 2000 RPMs. The engine will have 130 pounds of torque at 2500 RPMs.