1988 jeep wrangler 2.5 ,fuel injected throttle body. rough idle at 800 rpms, strong gas fumes, when I gas to 1000 rpms it runs better, sound like it is surging when in idle, When driving it sputters and hesitates, Have changes the fuel filter, fuel injector, throttle body postion sensor, plugs, wires, dis. cap, coil. Compression is fine. Any suggestions. Thanks
You have an air leak around the throttle body
SOURCE: jeep wrangler stalls out
check idle air control, tps & map sensor. As usual with electronics, test test test before buying anything/
SOURCE: 2005 Jeep wrangler w/rough idle and hesitates when you accelerate
try fuel injectors....run a bottle or two with full tank through it and see if that dont solve the problemo.....
SOURCE: 1988 jeep wrangler idoling rough
It does sound like a vacuum leak. Get a can of WD-40 and start spraying around the carb. It will rev up, and U can pin point the loose vacuum hose, are crack vacuum hose.
SOURCE: 1998 Jeep grand Cheroke hard cranking, sputtering, rough idling
In READING what you wrote, it appears that your car is difficult to start and pretty much is rough while running....It also appears that your are randomly replacing parts...How did you verify that the parts your have replaced had failed? I suggest you get a basic manual like chiltons or haynes as well as a decent digital volt/ohmeter, then do some testing. Pay close attention to map sensor test and manifold air temp. Having a good fuel pump does not insure that your injectors are clean enough to deliver a good spray pattern This will not show up on any test...you need to actually look at them. There are other items to look at but I think you will likely find your problem in what i mentioned. (you already checked for vacuum leaks, right?)
Good luck!
SOURCE: 91 Jeep wrangler New everything idles rough, no Power then dies
you check for miss how is compression
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