Re: Maybe bad ECM
Brand new Ultima
But last night it ran perfect only thing i did was try to run my datamaster but i couldnt get it to work never started truck just with key on. Then few hours later i went to start it and it started doing all of this stuff. What else other than ECM could cause...
Re: Maybe bad ECM
I forgot to put in that when i use the paperclip and the light should go out and then flash 12 3 times. But when i do it the check engine light never goes out.
Today i got in my Ty and was hard to start finally got it running and now its idling at 1800rpm and when you hit the gas it has a real bad dead spot also the boost guage is all over the place when you try to rev it up. Thanks for the help.
My 92 Ty has a superchips chip running with 92 and N02 racing octane booster. But i am getting a miss between 1200-2000 rpm doesnt matter if im going 30mph or its in park. Like i hold it at 1500 it will stumble down to 1300 and then pick back up 1500 for a second then back down. Over and over. I...