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What makes a 97 Saturn SC2 rpms go up and down while idling?
The Idle Air Control valve located in the throttle body.
93 Honda civic ex 1.6 auto. car accelerates and decelerates rpms go up and down.?
idle air control valve
What causes the rpms in a 95 Ford Crown Victoria to go up and down when idoling?
Erratic idle is usually caused by a dirty or faulty IAC (Idle air control) . This is located right at the throttle body. The IAC sometimes can be removed and cleaned (internally) with a intake manifold type cleaner, but this is not always successful.
1991 Acura Integra rpms go up and down?
You need to replace your IAC Valve (Idle Air Control Valve) It's located in the back of Your Intake Manifold.
When my 98 eclipse is idle my rpms are too high and I cant get it to go to normal?
maybe a vacuum leak
What would cause a 95 Saturn's RPMs to go up and down when sitting at an idle and sometimes die but run fine when driving?
Not sure about 95 saturns. However, an engine, with central fuel injection, may have an idle control solenoid or an idle control motor. A faulty idle control can cause the rpms to flucuate and may be corrected with a cleaning and lubriation or may have to be replaced at a cost of approximately $75.00 for the part. The reason I say this is because the excelerator mechanism is not in contact with the idle control when driving.
What causes a Dakota pickup to idle up and down after it warms up and use a lot of gas.?
Hello, Usually The throttle position sensor controls that. When they go bad, your idle will go up and down like that. I hope this is helpful.
My car wont start unless its in N and I half to have my foot on the gas till the rpms go up the it will idle on its own But when I put it in R or D it sometimes will die and or the rpms go up and down?
It sounds like you have a bad shifter cable. I had the same thing happing and i had it replaced and no proble since then. GOODLUCK
Will spark plug gap causes a RPM gauge to go up and down while idling?
The spark plug gap can cause the RPMs to fluctuate, while idling. The more probable cause of the fluctuating RPMs is a bad camshaft.
Will a bad PVC cause the idle to go up and down about 200 RPMs and stall and die at a stop light?
A faulty PCV valve can certainly cause idling problems, especially after the engine has warmed.
What can happen if you have a bad idle air control motor?
Your RPMs will go up and down lower with passing time then your vehicle will eventually start to shut off. You will only be able to drive it by keeping your foot on the accelerator
What causes a Briggs and stratton engine idle speed go up and down?
The most common cause of engine surging (rev up and down) is a dirty air filter.
