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Username Post: SD TPI Swap Fuel problems        (Topic#351682)
Xray Tedd 
Poster
Posts: 88
Xray Tedd
Age: 35
Loc: Missouri
Reg: 12-20-14
06-21-18 12:12 PM - Post#2737815    

Ill try to keep this short but with vital info. Im swapping in a SD TPI in my 87 K5 blazer. All new engine from the ground up. Aftermarket standalone wiring harness. 7730 ECM with vats and EGR removed programmed for the Crane 2040 TPI cam. Everything is hooked up. I have spark at all 8 plugs, and signal to all 8 injectors (new 24# injectors, SFI AFPR, 340lph fuel pump). Im getting combustion on #1 and #2 cylinders. But #3-#8 injectors are not opening even though they have signal. Those plugs are dry and do not smell of fuel. Ill be doing a fuel pressure test after work today.
Does anyone know of anything else I should look into?
Thanks for any and all help!



 




Xray Tedd 
Poster
Posts: 88
Xray Tedd
Age: 35
Loc: Missouri
Reg: 12-20-14
06-22-18 05:43 AM - Post#2737896    
    In response to Xray Tedd

Figured it out. I have 5 bad injectors. They are all new remans so they werent suspect to me. apparently they should have been.



 




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