I purchased the CFM ORP w/ 02 cheater, my rear 02 sensor was already bad so my check engine light was on anyway. I put on the ORP and the cheater... and finally, last weekend, i put on the new 02 sensor (thanks steve). Drove fine for a week, no engine lights saw an increase in MPG. Then sunday the Check engine light popped on. took it to my shop today to get the codes... code said that there was an ineffient cat... i
deas anyone? i just don't understand why it just came on... faulty equipment? I don't want to blame CFM but would like an explanation...
deas anyone? i just don't understand why it just came on... faulty equipment? I don't want to blame CFM but would like an explanation...