Anyone know how to reprogram ECM??
06-22-2009, 06:25 PM
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Anyone know how to reprogram ECM?? trying to see if i can reprogram it and see if idle will go down at first start ups..ive scanned and use live data put everything seems to be fine..wondering if ECM is messing up..
06-23-2009, 03:25 PM
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yea everything seems to be working fine at this time..just at about cold starts it will idle higher than normal..
anything else i should check??
anything else i should check??
06-23-2009, 04:21 PM
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06-23-2009, 05:06 PM
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bout 1100 and it will go normal then when i go to a street light or stop the rest of the way it will idle high..not going down..only bout the second start up it will..idle normal..and i checked the tem sensor and its working..i know it works with the pcm to provide how cold it is for the air fuel mixture..ill get the PCM numbers soon
06-24-2009, 02:59 PM
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got the ECM part number...to let you know that this ECM has over 200 hundred thousand miles on it..wanted to see if i can get a use one and switch them see how it works and if it fixes my idle problem..thats where im at..anyone see if you can find me one while look..not too expensive... 88961150
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06-24-2009, 10:29 PM
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^-ss def. has this covered
however if you do in fact do have a bad PCM get one from Orilley's (limetime warranty), I found this out after just replacing mine when it locked up during a Tunercat tune upload. I even got a pricematch with AZ's price $115, as far as I know Oreilley's is the only place with a lifetime warranty. AZ, Advance, Nappa and I belive Carquest are only one year, and I believe GM's is a one day (or so I've been told)
however if you do in fact do have a bad PCM get one from Orilley's (limetime warranty), I found this out after just replacing mine when it locked up during a Tunercat tune upload. I even got a pricematch with AZ's price $115, as far as I know Oreilley's is the only place with a lifetime warranty. AZ, Advance, Nappa and I belive Carquest are only one year, and I believe GM's is a one day (or so I've been told)
