Maybe bad ECM

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tyson__91

New member
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.
 
Don W.

Don W.

Stab it and steer it
Re: Maybe bad ECM

Or the MAP came unplugged? IAC bad? Or somethin' else with the IAC system? Any codes?:2cents:
 
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tyson__91

New member
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.
 
NecroWolf

NecroWolf

lost marbles member
Re: Maybe bad ECM

well i know a new ecm from the parts store is like 75 dollars so if you got the money give it a shot i guess
 
T

tyson__91

New member
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 all of this stuff at the same time.
 
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