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#1
02-05-2005, 12:07 AM
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ECU Code Help (PR4?)
so tonight my car started acting up, start to kinda mis fire up at 4 grand then it was fine after that, took it out for a rip up and down the road quickly by my buddys house, pull it into the driveway and the check engine light comes on.....
lift up the carpet and it flashes 4 times slowly, like the light stayed on for a second each flash, then it flashed 3 times rapidly right after and kept doing the same 4 slow, 3 fast pattern..... i'm running a 90 teg GS ECU (think its the PR4) what is the problem with my car? lol but it was weird, drove it home and it was fine?!? i dont get it
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94 s-10 bagged, body dropped, 22's, suicide coupe doors, fully shaved, and soon a small block 350 2011 Silverado... Stock Daily driver 
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#2
02-05-2005, 12:21 PM
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Re: ECU Code Help (PR4?)
fuel pressure is either too high or too low....
do you have an aftermarket fuel pressure regulator or something that that u are using to turn up the pressure? If not, there is either something clogged in your fuel system namely the lines, or filter, fuel rail, etc. I think ur ecu will start throwing the code after you turn ur car over 48 psi at WOT... I'm running 55 psi at WOT and i run with the code all day...
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#3
02-05-2005, 02:29 PM
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i dunno, it only happens at 4 grand, started again today
picked up a civic and teg fuel filter, gonna try the teg first and see if it fixes the problem. and no i have the stock pressure regulator, but its working fine
__________________
94 s-10 bagged, body dropped, 22's, suicide coupe doors, fully shaved, and soon a small block 350 2011 Silverado... Stock Daily driver
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#4
02-07-2005, 11:19 AM
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well i threw in a new fuel filter yesterday for a 90 - 92 B18 Teg but it didnt seem to help, so it wasnt a clogged filter, i'm gonna try and throw my PM6 back in and see if it fixes the problem
anymore ideas let me know
__________________
94 s-10 bagged, body dropped, 22's, suicide coupe doors, fully shaved, and soon a small block 350 2011 Silverado... Stock Daily driver
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