| We were 5 miles from home after 4 hours and 150 miles of driving all day Saturday when the car died at a fairly busy intersection. Barely managed to get it through the intersection and into a driveway. Could not connect to the ECU with consult
Code 55 - All OK
Aux fan running with key in accessory position
Car would barely idle (VERY rich) and would die with any throttle.
CEL was on. If I let the car sit for 3 minutes, the fan would not turn on at the turn of the key, but as soon as I gave it throttle it would start with the above symptoms again. Called AAA and was home within 30 minutes. I had planned on swapping ECU's in the morning on Sunday because everything I read suggested a bad EPROM or bad ECU (Current ECU has a nistune board). Some others suggested bad MAF, which almost makes sense because I'm running a dual maf setup (1 oem 1 AIP) with a selin translator but that doesn't explain why I couldn't connect to the ECU. Sunday I started up the car and drove around the development with no problems. ??? Now I have to drive around wondering when this will happen again. I've got a spare ECU and spare single intake ready to swap over in the car in case this happens again. Has anyone else encountered this problem before? Is it possible to have this caused by a bad maf when running the selin? I would think that if one maf is bad (and set to ADD) it would be reading to LITTLE airflow and be running lean. Has anyone ever had a bad nistune board? Thanks!
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