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Old October 22nd, 2013, 05:42 PM   #1
kenziefacee
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Default Chuggs/stalls crabby Jeep.

2001 Cherokee Sport 4.0

Thought it might have been a fuel pressure/fuel pump issue. It hold its fuel pressure just fine, and seems to have volume.

Theres no pattern at all. Sometimes it cranks real hard when you go and start it, sometimes it fires right up. While driving it sometimes it stumbles real bad when at a high rpms. Stalled out once after chuggin real hard. Hooked it up to a scanner and no codes. Doesn't seem to be running rich or lean and I went from getting 15-16 mpg to ~9.

Any ideas?
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Old October 22nd, 2013, 06:37 PM   #2
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Sounds like a bad tps or maybe it needs a tune up

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Old October 22nd, 2013, 07:55 PM   #3
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Eh. Its been running fine till recently. Tps sits at idles at 12.5 and won't read over 70.5.
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Old October 22nd, 2013, 08:24 PM   #4
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Crappy gas? Sounds like it needs a good beating
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Old October 22nd, 2013, 08:26 PM   #5
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Well without seeing the jeep im just guessing but it seems like its a tps

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