2006 Jeep Liberty 80,000 mi. New plug, new coil did compression test on #4, 150#'s. After all that, that was when P2311 code came on, ingnition coil D secondary circuit came on also. Still has P0304
Hi there,
Here is a list of possible causes for the P2311 code.
P2311 JEEP - Ignition Coil 'D' Secondary Circuit Read more: https://www.autocodes.com/p2311_jeep.html
P0304 indicates a misfire on cylinder 4. Here is a list of possible causes.
P0304 JEEP - Cylinder Misfire Fault Detected Read more: https://www.autocodes.com/p0304_jeep.html
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