Can you adjust the idle speed on a Jeep Cherokee?
You cannot manually adjust the idle on the Jeep Cherokee, but you can clean the grime buildup on the idle control valve to fix rough, high or unstable idle speeds. If that doesn’t work, you can replace the part to regulate the idle speed once again.
How to clean an idle air control valve Jeep Cherokee?
In this video I am removing, cleaning and re-installing the idle air control valve (IAC valve, IAC sensor) on my Jeep Cherokee. If you’re having rough idle or some stalling issues, a dirty or faulty IAC valve is one possible cause for this problem. Loading…
Why do you need to adjust the idle speed?
Idle adjustment sets the proper speed of engine rotation during vehicle standstill (closed throttle). Correct idle speed is important for proper engine operation and fuel economy. Idle speed also affects the function of engine-driven accessories such as the alternator, air conditioning compressor, engine cooling fan and water pump.
Where is the idle air control valve located?
The idle air control valve is a black plastic part approximately two inches long that is attached to the throttle body. Grab the oval electrical connector that is connected to the idle air control valve and pull it away from the valve to disconnect it. Use a Phillips head screwdriver to remove the two screws that hold the valve in place.
In this video I am removing, cleaning and re-installing the idle air control valve (IAC valve, IAC sensor) on my Jeep Cherokee. If you’re having rough idle or some stalling issues, a dirty or faulty IAC valve is one possible cause for this problem. Loading…
You cannot manually adjust the idle on the Jeep Cherokee, but you can clean the grime buildup on the idle control valve to fix rough, high or unstable idle speeds. If that doesn’t work, you can replace the part to regulate the idle speed once again.
Idle adjustment sets the proper speed of engine rotation during vehicle standstill (closed throttle). Correct idle speed is important for proper engine operation and fuel economy. Idle speed also affects the function of engine-driven accessories such as the alternator, air conditioning compressor, engine cooling fan and water pump.
What happens when you idle the air control valve?
Normally, if you just start your car, the idle air control valve will cause the engine rpms to increase and slowly decrease. That would be a sign that your IAC is working.
What can I use to clean the idle valve on my Jeep Cherokee?
Use only aerosol carburetor cleaner on the valve parts — not on the sensors or anything else around the engine area. Put the idle valve back in place, start the Cherokee and see if this has rectified the problem. If not, take the valve off again and proceed to the next step.
Where is the throttle body on a 1998 Jeep Cherokee?
If that doesn’t work, you can replace the part to regulate the idle speed once again. Open the hood of your 1998 Jeep Cherokee. Find the throttle body straight back from the A/C compressor, to the left of the fuel injector and to the immediate right of the air intake temperature sensor on the engine block.
How do you change the timing on a Jeep Wrangler?
If you need to adjust it, loosen the nut on the distributor-holding clamp. Then, as you point the timing light on the scale, grab the distributor at the base and rotate it slowly, clockwise or counterclockwise, to align the notch on the crankcase pulley to the corresponding degree given on the VECI label.
Use only aerosol carburetor cleaner on the valve parts — not on the sensors or anything else around the engine area. Put the idle valve back in place, start the Cherokee and see if this has rectified the problem. If not, take the valve off again and proceed to the next step.
If that doesn’t work, you can replace the part to regulate the idle speed once again. Open the hood of your 1998 Jeep Cherokee. Find the throttle body straight back from the A/C compressor, to the left of the fuel injector and to the immediate right of the air intake temperature sensor on the engine block.
How do you remove idle air control valve?
Grab the oval electrical connector that is connected to the idle air control valve and pull it away from the valve to disconnect it. Use a Phillips head screwdriver to remove the two screws that hold the valve in place. Use a rubber mallet to tap the valve body loose from its position.