Rich bank 2

Asked by Dec 01, 2016 at 03:41 PM about the 2004 Jeep Liberty

Question type: Maintenance & Repair

04 3.7 liberty. I keep getting a rich bank 2 code and one plug keeps fouling.
Ive replaced spark plugs and fuel injector. Ive cleaned the MAF but this
doesnt help. What else could it be?

1 Answer

1,245

check compression on all pots, note down the compression reading and if all the numbers read different then that may be your problem

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