This is topic computer threw a code saying the comp is bad in forum Tech Talk at Northern California Ford Owners  .


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Posted by 96Forged281 (Member # 2158) on :
 
Well i had been having problems with idle bouncing up and down and a misfire car would sputter on decel once it hit 2k rpms. the shop i took it to says it threw codes saying the computer is bad, if this is the case wouldnt the car not run at all??? anyone know what could cause this a bad ground or what?? IF i need to get a new computer where should i get one that is good for my application
 
Posted by st5150 (Member # 51) on :
 
Computers almost never go bad. They're built like rocks. Chances are you had a chip plugged in when you pulled the codes and got a check-sum error because of the chip.
 
Posted by 96Forged281 (Member # 2158) on :
 
so should the shop take the chip off and rescan?
 
Posted by st5150 (Member # 51) on :
 
No, just ignore that code and annalyze the other codes the computer spit out.
 
Posted by 96Forged281 (Member # 2158) on :
 
ok good deal, check your PM i sent you one thanx
 
Posted by Cobra5.0Jeep (Member # 1482) on :
 
Sawson is a pimp listen to him.
 
Posted by 96Forged281 (Member # 2158) on :
 
yeah so ive heard [Smile] if he can figure out the problem im having hed rule, no one on corral or stang net has been able to diagnos my problem and no shop for that matter but then again there are no shops around here that have the brains to work on a 4.6 i know more then they do just dont have the equipment
 
Posted by Cobra5.0Jeep (Member # 1482) on :
 
did it start doing this right when your chip was installed? We had a problem wit our chip we didn't clean the contacts good enough and the car didn't idle good or drive good.
 
Posted by 96Forged281 (Member # 2158) on :
 
no it ran fine when i got the chip, however now you mention it i have taken off the chip a couple months ago and put it back on i left that kick panel off maybe bad connection it sure is a pain to take the computer out ill know more from the shop its at now in a couple hours he removed the chip and is testing it again
 
Posted by chosen1 (Member # 1906) on :
 
i had the same problem with a previous mustang. i would be sitting at a light and the rpm would go straight to 3 grand for no reason. it did it sporatically and was very aggrivating. i scanned at a bunch of different places and got no definative answer. i replaced (all upgrades mind you)...the tb, tps, iac, egr, mass air checked for vacuum leaks, etc. and they solved nothing, i replaced the computer, and it solved everything. i replaced that last when i should have changed that first but i guess hindsight is always 20/20.
 




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