2009 jeep wrangler 3.8l v6 6speed manual with a dead misfires on 2&5
found no spark from #2/5 coil and a bad pcm. the pcm was damaged due to the coil primary circuit shorting and drawing excessive amperage which burnt out the coil control driver.
pcm was on backorder for at least 3-4weeks from the dealership and no used pcm was available, i even went to a u-pull-it and could not find anything.
decided to try rockauto, they had a mopar remanufactured unit in stock so it was ordered. the remanufactured pcm was not able to accept a flash, a vin write or identify itself...i used 4 different tools total....
at this point i decided to take on repairing the faulty driver. i had to invest in tooling to complete this task.
finding the replacement component was a chore due to electronic component shortages...only place to get it was from china but delayed...everything is made in china!!!
after the repair was complete the pcm was reinstalled into the vehicle, an electronic throttle control and crank position sensor relearn.
vehicle is fixed and runs perfect!!
this is the link for the mosfet i used.
www.auto-chips...
Негізгі бет 2009 Jeep Wrangler Misfire Cylinders 2 & 5
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