check your fuel lines , also how many ground wire on your car ?
check your fuel lines , also how many ground wire on your car ?
Fuel lines have 60 psi. I have one ground from engine to frame and a few directly to the frame and some to the driver side head.
Back Alley Motorsports 98 GMC
-5.3l LM7 bored to 5.7l Thompson Motorsports -72mm T4 Magnum Turbo
-TU1 Custom Grind cam(spec speed.inc) -799 heads
-.660" Trick Flow dual valve springs -Forged Probe Pistons 3.902" flat top
Any codes? The Maf ?
Nelson Performance
FastestTruckList.com
NP on Facebook
Youtube Channel
'94 Chevy Truck: 8.9 et, 408 twins
Maf is deleted. Ya MIL is on but i dont have a code reader. Ill see if i can borrow my buddies then post what codes are thrown later tonight.
Back Alley Motorsports 98 GMC
-5.3l LM7 bored to 5.7l Thompson Motorsports -72mm T4 Magnum Turbo
-TU1 Custom Grind cam(spec speed.inc) -799 heads
-.660" Trick Flow dual valve springs -Forged Probe Pistons 3.902" flat top
what about the air intake temp sensor?
maf can be somewhat disabled in the tune but not permanently deleted; in order to revert to sd mode.
Nelson Performance
FastestTruckList.com
NP on Facebook
Youtube Channel
'94 Chevy Truck: 8.9 et, 408 twins
I have the iat hooked up but i dont have the intake tube its in hooked up, cuz i dont want to push boost till i get it running.
Last edited by shmiet; 07-29-2013 at 02:34 PM.
Back Alley Motorsports 98 GMC
-5.3l LM7 bored to 5.7l Thompson Motorsports -72mm T4 Magnum Turbo
-TU1 Custom Grind cam(spec speed.inc) -799 heads
-.660" Trick Flow dual valve springs -Forged Probe Pistons 3.902" flat top
Just checked and its throwing codes as follows
-P0102-MAF CIRCUIT SIGNAL LOW
-P0200-INJECTOR CIRCUIT PROBLEM
-P1637-GENERATOR L-TERMINAL CURCUIT
MIL no longer present
-checked injector balance-all pulsed and recorded pressure drop(atlesst thats what the scanner told me)
Last edited by shmiet; 07-29-2013 at 08:53 PM.
Back Alley Motorsports 98 GMC
-5.3l LM7 bored to 5.7l Thompson Motorsports -72mm T4 Magnum Turbo
-TU1 Custom Grind cam(spec speed.inc) -799 heads
-.660" Trick Flow dual valve springs -Forged Probe Pistons 3.902" flat top
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