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The tests in this video can be used when diagnosing misfires. Procedures can vary between manufacturers.
In this video we are working on a 2011 Dodge Avenger. This vehicle has a 2.4L engine. Customer complaint is a check engine light. The trouble codes stored are P0303 cylinder 3 misfire and P2308 cylinder 3 ignition coil insufficient ionization.
My first test is to check for power and ground at the cylinder 3 ignition coil. The power supply check is good, as I move over to the ground side the ignition coil starts smoking and melts right in front of me! what happened?! What caused this coil to melt?! Lets find out.
I hope you guys enjoy this video and thanks for watching.