Jeep fire after swap, Rough Idle Help - Page 2 -

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post #16 of 18 Old 03-26-2013, 05:54 PM
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1988 MJ Comanche 
Join Date: Sep 2008
Location: Shippensburg, PA
Posts: 494
The MAP sensor hooks up to the throttle body.

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post #17 of 18 Old 03-26-2013, 06:03 PM Thread Starter
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1988 XJ Cherokee 
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Ok well that parts right then

Just found somthing out.. While spraying tb cleaner into Tb while motor was running the idle got way better... Also I could rev the motor by hand while spraying. If I stopped spraying idle got worse and no throttle response. I assume bad injectors or regulator. Pump is good I know for a fact.

Any input on this new info would be appreciated

Last edited by Dennis88; 03-26-2013 at 06:45 PM.
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post #18 of 18 Old 03-31-2013, 06:02 PM Thread Starter
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1988 XJ Cherokee 
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Update. I'm stumped. I re did injectors. Swapped dizzy out. Fuel pressure reads 39psi. Swapped out tps and iac. New plugs new wires. What the hell. Rough idle. Idk if its missing or not.i have no throttle. If I give it gas it pops in intake and stumbles and sputters. Sounds like it has a aggressive cam. Grounds are good

Help please
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