2004 GTO IN MASSIVE TROUBLE

Jmac_LS1

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So the 2004 ls1 a4 gto I own was ruining strong just needed a tune and to be finally put together and then bam the issue happened again it cranks but I have no injector pulse or spark from any coil packs I have checked all fuses and relays changed the cam and crank sensor tried 2 different computer including a 4 wire hookup stand alone computer and fixed the ignition since I found out about the ignition lockout issues these cars have I've been throwing tons of time money and a few tears at her and she just won't start I wanna really get this car going but I have very little funds and tools
 

lastls1

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That Def sounds like an anti theft issue since there is no spark or fuel. My first option would have been cam or crank signals but you already changed those. Do you have a scanner or anyone you know that has a scanner that could possibly see any anti theft codes stored or pending?
 

Chester Copperpot

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Check the harness behind the glove box (BCM is found there). It's a very well known issue that that harness gets cut by the plastic it sits up against.
 

EmersonHart13

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What Carter said. That BCM cabling does goofy shit.
 

Jmac_LS1

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Also I don't not have access to a scanner but I do know the security issue was also resolved after programming the new fob
 

Chester Copperpot

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I should add for the link above, it gets cut by the sheet metal and can short out a couple wires at once.
 

Shibby50

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If you're not getting either try another crank sensor I've gotten bad ones straight out of the box before. Put the old one back in and fired right up
 

IDAFC21

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What Carter said. That BCM cabling does goofy shit.

Not to get off topic, but from the time I bought my car my rear defogger would NEVER turn off, no matter what you did, or at least the light for it wouldnt. it was always on. Finally one day i went in and taped up my bcm cable, light went off, and turned on and off normally w/ the button. :rofl:
 

Jmac_LS1

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Got a mechanic coming 9am tomorrow problem should hopefully b fixed
 

boostedguy05

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So... I hope this got fixed, and you got to spend this beautiful day driving this car.
 

Breze84

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More then likely the BCM... BUT never rule out a shitty old battery with bad cells. I have seen some goofy shit happen electronically with a bad battery.
 

Jmac_LS1

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So... I hope this got fixed, and you got to spend this beautiful day driving this car.
Man I could only hope so I got a lot of sh*t talkers on my ass right now that need 2 have they're ass dragged down the 1320 so far though everything looks as it's a wiring issue somewhere behind the dash so that's coming out today to locate the issue then we will be switching to a stand alone system
 

rz79

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Don't forget to double clutch....
 

lastls1

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Did your GTO ever have the Cluster replaced? I know my 04 GTO had to have it done. The cluster would randomly go all crazy. Throw ABS and Check engine lights. The gauges would go all over the place while driving. I was told it was the cluster and some wiring behind it. I have no idea if it could cause the issue your having, but stranger things have happened with electricity.
 

Jmac_LS1

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Did your GTO ever have the Cluster replaced? I know my 04 GTO had to have it done. The cluster would randomly go all crazy. Throw ABS and Check engine lights. The gauges would go all over the place while driving. I was told it was the cluster and some wiring behind it. I have no idea if it could cause the issue your having, but stranger things have happened with electricity.
No I just installed an overlay that's about it but it's goin 2 a shop within the next week or so the guys giving me a deal on the work so I might as well let them figure out the headache lol
 

chry*bmb

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Hey, I may be remembering wrong, but I could've swore there was a 2005 TSB for my BCM. What I had to do? Hell if I remember, but I friggin have a 6 digit number saved in my contacts under "BCM," so I must've done something! Lol (sorry, major memory problems )
 

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