05 Lly Injector Wiring Diagram
The recommended resale from my supplier on these remanufactured injectors is about 1600 for the set of four. If you look in the middle schematic there is a fuel pump relay with no wires going to it.
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2001 2004 6 6l gm chevrolet lb7 duramax fuel injector wiring harness oem 97207227 1 harness connects to 2 injectors.
05 lly injector wiring diagram. The Dorman 904-138 Injector Harness Repair Kit is designed to fix the Injector Harness issues on 2 and 7 that are common on the 20045-2005 GM 66L Duramax LLY. Duramax Wiring Harness - Jul 31 I had two injectors fail on my 05 lly took it to the dealer and they said thier was a service bulliten on the wiring harness but no recall yet. Replace the wiring for any single wire set which fails the 12-volt test.
It operates on around 30000 psi. It has a fuel injection control module and a fuel rail pressure regulator and an injection pump. The wiring on the injectors is very simple.
Duramax Vane Position Sensor 763527 0512 2004 5 05 Chevy Gmc 6 6l. 2005file9xls 2005 66l lly duramax diesel engine diagnostic parameters sensed parameter fault code acceptable operating range and rationality. It operates the fuel supply system by vacuum.
Be VERY careful when working on the high pressure side of the system. Injectors Glow Plugs Glow Plug Module Turbo Sensor FPR Fuel Rail Sensor FICM Cam Sensor Crank Sensor Fuel Temp Sensor Y-Bridge Sensor Fuel filter Housing Sensor 2 Bail Connectors 2 Coolant Temp Sensor Passenger block ground. Learning The Fuel System In This Truck Lb7 Chevy And Gmc.
New LLY 66L and LG4 78L engine information is added for diesel engines sold after 1012004. The Harness on a Duramax will cause the t. Lwn 2 8l 2016 18 lml 2011 2014 lmm 2007 5 10 lbz 2006 07 lly 2004 5 05 lb7 2001 04 resources.
The sharp corner of the FICM bracket where it is tied down to cuts into the wires. Another problem-- is 2 andor 7 injector connector can loose contact and that can shut down a bank of 4 injectors. May 27 gmc duramax lb7 giving dtc po 03 05 08 and p I have done voltage test on the.
Sponsored Ebay Dorman 904 138 Fuel Injector Wiring Harness Repair. Its common for high mileage 66l injector wiring harnesses to short out between the connector pins. LAtely the truck has been surging in gear when stopped.
You can watch the tach rev a few rpms as if the motor had a big cam. Gmc Sierra 1500 03 43 53 Bodystyle 2wd Ck2 3 Engine Asm 6 6l. Cut the tie and pull the wires from the harness and inspect for cuts and wear.
The LLY ECM changes from a 2-way on the LB7 ECM to a 3-way connector and the new LG4 ECM from a 5-way to a 2-way connector. P0202 P0207 P02146 P02149. 03 Duramax Ac Wiring Diagram Duramax Lb7 Fuel Line Diagram 2004 Duramax Lly Engine Diagram Wiring Schematic Diagram 11 Laiser Diagram Wiring Diagram 2002 Silverado Duramax Full Version Hd 6 6l Duramax Turbocharger Removal Procedures Step By Step Lly Silverado Fuel Line 2001 C K2500hd 3500 Ext Cab 6 6l Diesel W Engine Code Lb7 Fl588 B1a Set Lb7.
Replacing all four injectors required removing both right- and left-bank rocker arm covers and the. This often results in codes. See LLY and LG4 ECM Connectors and Location Drawings The new engines require new Engine Control Modules.
Wiring Diagram 2002 Chevy Silverado Duramax Wiring Diagram 2004 Silverado Engine Diagram Wiring Diagram 500 Duramax Diesel 6 6l Fuel Filter 2007 Chevrolet Silverado 2500hd Lb7 Injector Wiring Diagram. I have an 05 D-MAx with the LLY. 6 6 Duramax Wiring Schematic Wiring Diagram The 66 liter duramax is produced by dmax a joint venture between gm and isuzu in moraine ohiothe duramax block and heads are poured at the defiance gm powertrain foundry in defiance county ohiothis engine was initially installed in 2001 chevrolet and gmc trucks and has been an option since then in.
Upper engine harness dmax swap duramax rm 3768 new wiring diagram sel 2004 gmc injector full version hd quality diagramnet lavocedelmare it lml fan clutch thoughs chevy and forum custom standalone ecm tcm harnesses lb7 lly lbz lmm uper build 2011 outletdiagram bagarellum gm 6 liter v8 info specs wiki authority diy marinisation page 18 offsonly com Upper Read More. Repair and insulate the harness with a short piece of heater hose. This pigtail allows you to easily replace the.
The voltage should read approximately 12 volts. Lly Duramax Engine Sensor Diagram Wiring Schematic Diagram. Especially cylinder numbers 2 and 7.
GM routed the fuel injector wiring harnesses very tight on these engines which can result in premature wire fatigue and connector-pin failure andor intermittent loose connections at the fuel. 113c146 Duramax Lly Engine Diagram Wiring Resources. I have ran diesel kleen in it for a few tanks and.
Be sure to test all the wires before replacing any single set. Sooner or later most 20045 LLY LBZ Duramaxs will experience the dreaded injector harness problem. Pilot engines offers engines offers the duramax engine for all applications from 2001 to 2005 which are commonly known as lb7 and lly engines.
Gm duramax standalone harness and ecm. 045-07 66L LLY LBZ Duramax. Injector Wiring Harness Repair Pigtail Connector for 66l LLY 20045-05 Duramax.
Restore your vehicles fuel economy and return your diesel engine to its original performance with Dormans Fuel Injection. One wire powers the injector while the FICM fires the injector by grounding the other. Complete whole engine GM OEM Engine Wiring Harness includes connector leads to the following.
I had the 2 and 7 injectors replace last year along with the new wiring harnesss. Mass failures may indicate a failure in the electronic fuel injection relay or the engine control module.
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