injectors shutting down
Thread Starter
2nd Gear
Joined: Feb 2015
Posts: 2
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injectors shutting down
Hi I have a 2001 z06 just put the motor back in after major rebuilt and I can't get the injectors to work. She'll turn over , fire for a sec then nothing. I've checked the grounds and don't know what else to do. 
Team Owner
Joined: May 2001
Posts: 36,836
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From: Dear Karma, I have a list of people you missed.
St. Jude Donor '08-'09-'10-'11-'12-'13-'14-'15-'16
Tech Contributor
Joined: Dec 1999
Posts: 32,910
Likes: 2,402
From: Anthony TX
CI 6,7,8,9,11 Vet
St. Jude Donor '08
You don't have proper:
1-GROUND
2- Coil Power
3-Coil Driver signal
4-Any or all of the above.
Start by actually MEASURING the voltages on the COIL CIRCUIT FUSES. Yes there's more than one... Measure the test point slots on top of the fuse/s to chassis ground and look for FULL BATTERY VOLTAGE on each fuse.
I agree,, read and post your DTCs.
Bill
1-GROUND
2- Coil Power
3-Coil Driver signal
4-Any or all of the above.
Start by actually MEASURING the voltages on the COIL CIRCUIT FUSES. Yes there's more than one... Measure the test point slots on top of the fuse/s to chassis ground and look for FULL BATTERY VOLTAGE on each fuse.
I agree,, read and post your DTCs.
Bill
Advanced
Joined: Aug 2014
Posts: 54
Likes: 0
From: Yettem California
fuel injectors
Tech Contributor
Joined: Dec 1999
Posts: 32,910
Likes: 2,402
From: Anthony TX
CI 6,7,8,9,11 Vet
St. Jude Donor '08
Here are some schematics to help you take some meter readings. If you dont figure out whats missing,,,,,,, 
,,,,,,,,,, Its going to cost you a LOT of time and cash:
INJECTORS;
COILS:
,,,,,,,,,, Its going to cost you a LOT of time and cash:INJECTORS;
COILS:
Advanced
Joined: Aug 2014
Posts: 54
Likes: 0
From: Yettem California
Ps....
If it worked when before you replaced the engine, you forgot to hook something back up...look for a ground or a wire connector you missed...put some temporary grounds between the motor ,frame, etc so you can either discover its a ground or eliminate it all together...If it ran, you just missed connecting something...
Tech Contributor
Joined: Dec 1999
Posts: 32,910
Likes: 2,402
From: Anthony TX
CI 6,7,8,9,11 Vet
St. Jude Donor '08
If it worked when before you replaced the engine, you forgot to hook something back up...look for a ground or a wire connector you missed...put some temporary grounds between the motor ,frame, etc so you can either discover its a ground or eliminate it all together...If it ran, you just missed connecting something...
Or the ground on the engine block for the PCM/BCM
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