04 lb7 dtc code - Diesel Truck Forum - TheDieselGarage.com
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post #1 of 5 (permalink) Old 02-09-2010, 02:16 AM Thread Starter
 
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04 lb7 dtc code

I'm trying to find some codes and have managed to find all but 1 it is p1293 does anybody know what it is or where i can find it at thank you.
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post #2 of 5 (permalink) Old 02-09-2010, 03:10 AM Thread Starter
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sorry its an 04.5 lly motor if that really matters thanks for any help.
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post #3 of 5 (permalink) Old 02-09-2010, 03:37 AM
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Sounds like it's time for the Ice Pick. I would guess injector 2 or 7 are losing a good connection. Pull the connectors and run a pick or very narrow awl through the plastic and metal spade inside the connector, on the harness. This makes an additional gripping surface to ensure a good connection. Then hook them back up. GM parts direct also sells the longer injector harness to fix this.

Also check near the alternator bracket to make sure you have not rubbed through the harness.

I hope this helps.

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post #4 of 5 (permalink) Old 02-09-2010, 05:27 AM Thread Starter
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the truck threw 10 codes and one was p0207 inj malfunction cylinder 7 so that might be it thanks for the help. but i might need ya later tomorrow cause this is crazy what its doing. i thought it was the harness over the bracket trick but it wasnt acting the same way though.and again thanks.
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post #5 of 5 (permalink) Old 02-09-2010, 11:08 AM
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My '05 LLY pulled this crap once! It's a pretty easy fix. If you don't like the pick idea I can get you the part number for the harness extension.

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