Question about 1998 Jeep Cherokee
I have a 1988 cherokkee 4.0 litre when throttle is applied such as backing out of driveway, leaving from a red light it wants to stumble. If you do not play with accelerator it will stall. Already replaced crankshaft position sensor and it did not help. It also has a fresh tune-up, fuel filter, correct amount of fuel pressure and has had the throttle body cleaned. My next assumption would be either the throttle positioning sensor or the idle air control valve. Would really value your opinion so maybe I won't have to buy another uneccessary part.
If I had to guess, I 'd say that between the two, the tps is the most likely item to replace...If I remember correctly you can make some adjustments on yours by loosening the fasteners and turning it. If doing that changes the place where the "dead spot" happens then change it. You can also do an electrical test to determine if it's output is within range.
Posted on Jun 20, 2009
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Posted on Jan 02, 2017
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