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COMES FROM:
- 2011 Infiniti QX-56 with 158568 miles.
- 5.6L DOHC 32V V8
- VIN NUMBER: JN8AZ2NE1B9003180
This was my personal car.
By mistake I connected a jumper in the opposite way.
CAR HISTORY:
- Few weeks later engine shake so was misfiring so mechanic installed all 8 new coils and 8 sparkplugs. About $500.
We had an old code for Oxigen sensor so we also change them. About $400
- Then, there was a new code in transmission so an internal sensor was changed. over $1000. He told me the car is crazy and will keep bringing codes.
- Then, I hired a computer professional. He towed it and then he changed the throttle body new and 2 map sensors and check computer. Cost $1250. Same problem.
- Then, he said I need to replace transmission that cost $3500.
I told him that the computer or electonics are crazy and will bring a new code so I decline repairing transmission.
- The car was towed back and once I started to packe it, a new code showed up in the car display: Check suspension.
- The engine was serviced by infiniti dealer with a recall and all timing chains and timming parts were replaced. Engine had used synthetic oil since I bought the SUV with 75K miles.
- Engine and transmission were good before the first backfire code.
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