Need opinions
 

my check engine light came on after starting it w/ hardly any gas in it, i got 2 codes, 1 was a high map sensor reading, an i fixed that one by removing my piece of ---- vafc, and the other is factory controlled ignition problem or misfire, so i thought that possibly a whole bunch of ---- was sucked into my fuel filter causing a lean condition but i replaced that yesterday and reset everything and my check engine light came back on. has anyone had any experience w/ this code, sounds like it could be anything. D16y8 obd2 it runs well but slightly backfires when i shift but not constantly. sorry for the long post. thanx guys

Re:Need opinions
 

I think its too much fuel being unburned, since I took my turbo off I had backfire if I shift at low rev. and cel every now and then, I made some adjustment but I still get the backfire. b16sir2 vafc 450cc 255lph pump msd ign, b&m fpr. turbo temperary off because I need to change rings.

Re:Need opinions
 

no one else has any ideas?

Re:Need opinions
 

new problem, tonight its cold and my car ran like total ----. it started stumbling real bad and the idle started to bounce between nearly 0 and 1500 up and down. i'm beginning to think that its my alternator or battery cause it ran better in high rpm.

Re:Need opinions
 

bouncing idle? check for loose vac hoses.

Re:Need opinions
 

Did you check the CEL after this happened? Anything about an O2 sensor?

Re:Need opinions
 

yeah i checked the cell. i got p1337 manufacturer controled ignition system or misfire. so yeah that tells me a whole lot. but today i checked my battery and its shot so i'm hoping my problems are related to that.