Alright. maybe you guys can help me. I just put a header on my d16y8. That night i was racing one of my friends and all of a sudden my guages started to get really dim and my speedometer went crazy, then the check engine light came on. When i pulled the codes they were- primary and secondary o2 heater circuit failure and electronic load detector(eld). I wouldnt think that the header would have anything to do with it but i never had any problems prior to the install. Anyone have some experience in this or maybe knows what it is???? Any info will be very helpfull.

 

Check the alternator could be wrong but I would try that..

 

check the o2 for connections also check the speedo senser & plug ,hope that helps

 

thanks. will do