Buy a new TB gasket, disconnect the throttle switch from the wiring harness, remove the throttle body from the intake manifold (3 nuts, plus the actuator rod that pops off once you release the clip. Use a small flat-bladed screwdriver to loosen the little locking tab on the end of the lower ball-and-socket. The plastic ends which have the socket & ball attachment on the link rod can break when they are removed from an old engine, have access to extras first if you remove the throttle body from the manifold. One right-hand thread, the other left-hand.) It is a good idea to remove the throttle position switch/sensor first...don't want to get any carb cleaner in that (but see the discussions below.) The gasket on my car lifted right off with no fuss, but if you have to scrape be sure to use a plastic or wood scraper so as not to damage the aluminum facing. Swab it out with clean rags and lots of good quality carb cleaner.
[from a Jag owner] The engine breather is plumbed in upstream of the butterfly. The fumes from the breather are carrying oil and combustion vapors. When this stuff attempts to past the butterfly in the mostly closed state, the pressure (and hence temperature) drop causes the fumes to condense out of the air stream... sticking to the walls of the throttle housing right around the butterfly... a petroleum snow storm. As an aside, this buildup can cause really weird problems on cars with automatic IACs (idle air control: idle speed control). The gunk will restrict the air flow through the butterfly, forcing the IAC to open farther to maintain a proper idle speed. On some cars, you end up with the IAC operating well outside it's designed range... resulting in a major ring/hunt. Amazing surging. Oh, and since the butterfly is plugged, all of the air, and breather fumes, pass through the IAC. The snowstorm happens in the IAC, ruining it. Do NOT adjust the throttle stop! Clean the gunk out. 30K is about right for a XJ40. Every 15K or less on cars without a heater... BMW, Volvo.
SOURCE: 1991 Jeep Cherokee stalls, dies while running idling will restart
well i would check the tune up i have owned lots of jeeps and they needs tune ups about every 30,000 miles plugs wires cap rotor take a look at them and go from there
SOURCE: 95 Jeep spitting and sputtering
you may have a vacume leak or air sucking you should be able to hear this sucking air in
SOURCE: 1995 Jeep Wrangler 2.5 4cyl spits and sputters while driving
have you considered checking alternator and battery? just a thought
SOURCE: 1995 JEEP GRAND CHEROKEE RAN AND DIED WILL NOT START
IS IT THE 4.0L?IF SO U MAY HAVE A BAD CRANKSHAFT POSITION SENSOR.
SOURCE: 91 Jeep wrangler New everything idles rough, no Power then dies
you check for miss how is compression
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