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Thread: injectors need help
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10-31-2012, 08:59 AM #1
injectors need help
Hey guys i just got done with my lq9 build and i used l92 heads and the same intake. So i also used the injectors that came with the l92, used some wire adapters, and installed them. I was trying to start the engine and nothing. Then i figured that the injectors just didnt open. I installed the stock lq9 injectors and fired right up. Anyone know why they didnt work or how i could make them work?
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10-31-2012, 09:02 AM #2
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- Apr 2010
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- Alabama
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Black/ Silver- 98 TA WS6/ 01 C5 Corvette
You most likely need a tune for the l92 injectors to work. My guess is the pcm did not recognize the injectors and their flow rates etc or that there is something wrong with the connectors. Also lq9 and l92 use two different connections at the injector and wire harness, you need an adapter to make them work correctly. You may need something like this:
http://item.mobileweb.ebay.com/viewitem?itemId=330784997934&index=3&nav=SEARCH&ni d=75260830164
You can get a mail order tune from Steve at Tunebyfrost.com.Last edited by 98TransAmWs-6; 10-31-2012 at 09:12 AM.
1998 Trans Am WS6 - Phantom
421 CI LQ9, Tick Performance Custom Cam, TFS 255cc LS3 heads, Kooks 2" LT headers, Kooks 3" True Duals w/ high flow cats, FTP 104 lid, Speed Density Tune, 4" silicon tube, LS6 VCT, FAST 102 Intake, NW 102 TB, Oil Catch Can, SLP Bilstein Shocks w/ Vogtland Springs, CTS-V 4-piston Calipers w/C6 Z06 rotors, Stainless Steel Brake Lines, R1 concepts premium rotors, Hawk HP+ brake pads, VFN WSQ Hood, C5-R timing chain, SLP oil pump, E85 tune, Walbro 450 fuel pump, Deatschwerkz 95# injectors, Breathless performance headlights, Frost Tune, !HVAC.
(Coming Soon) BMR DSL, UMI TQ Arm
421 LQ9 14.8:1 on E85 Build/
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10-31-2012, 09:45 AM #3
My dad sells used parts so i got some connections from him and i made myself some adapters. I tested if there was any power in the wires and yes, everything okay just the injectors didnt open. Im thinking just like you said, the pcm doesnt recognize them. Im thinking about getting Hp tuners so maybe i can tune it myself.
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10-31-2012, 01:34 PM #4
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10-31-2012, 04:07 PM #5
Okay cool, thanks.
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