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Chris
Chris, Shop Foreman
Category: Jeep
Satisfied Customers: 3229
Experience:  Jeep Certified Master Tech
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I drive a 2010 Jeep Liberty and the 3rd Cyclinder is

Customer Question

I drive a 2010 Jeep Liberty and the 3rd Cyclinder is misfiring
Submitted: 1 month ago.
Category: Jeep
Expert:  Chad Farhat replied 1 month ago.

Hi, I'm Chad. Welcome to JustAnswer. I'm reviewing your question and I will be posting your reply ASAP.

Expert:  Chad Farhat replied 1 month ago.

Hey how are you

1- have you scanned it and retrieved a fault codes of # 3 misfire ,was it P0303 ? or P300 & P303?

2- have you pulled the spark plug on #3 and check for spark

3-Compression specs

2010 Jeep Truck Liberty 4WD V6-3.7L

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COMPRESSION CHECK Compression should not be less than 689 kPa (100 psi) and not vary more than 25 percent from cylinder to cylinder

4- have you checked for vacuum leak on intake manifold gasket leaking on #3

5-Injector pulse on #3

6-if you swapped the ignition coil from #2 to #3 to #2 and clear the fault codes and re-scan does the fault moves to #2 ,is coil bad ,you know how to check resistance on the coils and compare ,you need voltmeter

Please let me know

Thank You

Chad Farhat

ASE Certified Technician

Expert:  Chad Farhat replied 1 month ago.

Hi, just checking in ,to see how things are going,Do you need further assistance ?

Please let me know

Thank You

Chad Farhat

ASE Certified Technician

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