Idles smooth wont take throttle

Asked by Sep 20, 2016 at 07:50 AM about the 2004 Jeep Liberty Limited

Question type: Maintenance & Repair

replaced coils, computer, plugs
if you unplug a injector or coil it idles rough
checked exhaust, fuel pressure

4 Answers

jeep is 04 317523 miles on it 80,000 on motor this is the first trouble I have had other than the oil light coming on at idle 240,000 miles, thus new motor

40

Is the fuel filter clogged? Is the breather clean? It'll choke it if not.

the shop where it is told me the fuel pressure is 31 -33 at idle and stays there when as the RPM slowly rise, is that enough ? I have a K&N air filter on it and it was cleaned Please any more Ideas ??

in case anyone want to know It was the alternator it shorted out and fried the computer

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