Rough drive.
98 zj idles fine, starts fine. Once the jeep gets warm, it hesitates. I mean a noticable jump. Did complete tune up, tps, oxygen sensor. Any ideas??
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Which engine does it have?
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4.0
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I wish this zj was HALF as awesome as my xj.
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Check the fuel pressure. Check engine light on?
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I do have check engine light on. I had them scanned, says oss sensor on transfer case, and camshaft sensor (on dist.). Replaced them, still have problem.
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If it did it before tune up, I would replace crank sensor (crank sensor, will throw cam sensor code) If it did after the tune up, make sure that u put copper core plugs in instead of plat, iridum, or any other ridiculious plugs. These motors are sensivtive, and have seen many a problems running anything other then copper plugs.
On a note bout the crank sensor, my jeep had the same prob. Sensor was getting heat soaked. BUT it could also be anything getting heat soaked, including coil or injectors. |
Thanks!! How about the oss sensor on the transfer case? Do you have any idea why im still showing that code?
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What did you do to solve the heat problem?? I did notice it only starts acting weird once the truck gets good and warm, say 25mins or so.
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Me, I replaced the crank shaft sensor.
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Wow. That thing looks like a bear to take off. Anyone got any tricks for simple removal?
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Im a little confused. does it hesitate to go into gear? you say it hesitates then you said that it jumps. can you clarify a little? what is the idle rpm?
Is it when you are already in gear and try to take off or is it actually when you put it into gear? |
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