Question about 2001 Jeep Cherokee
Idle speed is too slow how do i increase it
Posted by Anonymous on
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Posted on Jan 02, 2017
Your idle speed is controlled by the computer which reacts to signals from the engine sensors . You need to test the sensors with a digital multi-meter to determine which one is not giving proper readings.
both haynes and chilton manuals have good test procedures but I prefer chilton for better wiring diagrams.
Aside from sensors, I would clean the throttle body using carb cleaner inside, around the throttle plate to make sure it is sealing properly when closed. The device next to the tps should be your idle control solenoid. that too needs cleaning. If you remove it, don't turn the plunger on the end and do not loose the o ring. Good testing is necessary to determine what is wrong. get the manual and do it. No good shop could possibly tell you what's wrong without doing the exact same thing. If you have any stored fault codes, have any of the larger parts stores check them for you. Most do this free and it can be helpful to give you a starting point for tests.
Not necessary to rate this answer because aside from advice, I can't tell you exactly what is wrong.
Posted on May 13, 2010
SOURCE: how do I adjust idle
the base/curb idle is not adjustable because of the renix system it uses,but if its idleing to low or high i would check the tps (throttle position sensor)located on the right front on the throttle body.if you have an ohms meter you can check it to make sure it is getting voltage with the key on.
Posted on Oct 08, 2010
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