Questions & Answers for: rpm fluctuates idle

...idle, and my RPM's i've noticed are fluctuating sometimes to the point where i think i may stall. Any sugestions Check that you have installed correct type of spark plugs and wires are well fitted. ...

...idle, then jumps between 500 RPM's to 1200 RPM's and sometime's to 1900 RPM's. I also can feel it in the gas pedal when the car is doing this. I tried replacing the throttle body sensor but it still ...

...revs from 1000 to 2000 rpm idling to high and engine rpm fluctuates from 1000 to 2000 rpm lower the idle switch,might have to have mechanic do it if u dont know where it is,wont cost alot,very ...

...idle high 1200 rpm to counter act the fluctuation / now back to the correct rpm the engine runs smooth until a/c is turned on / rpm fluctuate between 450 to 1250 rpm all most stalling PS don't have ...

...fluctuates and idles at 1500 rpm any ideas? The idle on my '90 4runner 3.0 fluctuates and idles at 1500 rpm any ideas? You should remove inspect and clean the idle control valve on the ...

...fluctuates between 200 & 400 RPM, won't idle at normal (around 700-800 RPM), and there feels, when driving, like it's misfiring (jerky while driving intermittently) & when ...

...RPM fluctuates then engine eventually dies. 2001 Jeep Grand Cherokee shuts off at idle while stopped. RPM fluctuate\ up and down between 400-700 then engine eventually dies. It started 8 weeks ...

fluctuates 1,500 rpm's down to 1,000 rpm's and back up again. It does that for about a minute, but if seems like it's almost ready to stall out when it drops down to 1,000 rpm's, but it doesn't. After

...rpm down 500 agaian 3500 down 400 keep doing any solution to fix I have change IACV ( Idle Air Control valve) brand new and recently installed a japanes imported Transmission on it Check for vacume ...

...Do the engine RPM's fluctuate when returning to idle? If so, its probably time for a valve adjustment... Intake valves that are TOO TIGHT will cause the rpm's not to settle back to idle