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Curtis 2001 Isuzu 6hk1 diesel Drives strong and perfect for
Hello Curtis 2001 Isuzu 6hk1 diesel Drives strong and perfect for 15-25 min When warm and under load say going up small incline the engine looses power and pedal goes dead - sputters and returns to no… read more
Curtis B.
Curtis B.
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I have a 97 GMC C7500 Cat 3116 with a starting / cranking
I have a 97 GMC C7500 Cat 3116 with a starting / cranking problem. I assume it's a switch related issue because I have to wiggle the key or tap on the steering column to get the engine to crank. I get… read more
Daniel Wilson
Daniel Wilson
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GMC c7500 no dim lights, cannot locate the drl module.
GMC c7500 no dim lights, cannot locate the drl module … read more
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2007 gmc c7500 power steering just went out while driving but brake system seems to be fine … read more
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2007 gmc c7500 7.8 engine no power at fuel pump. 2007 gmc
Yes driver fill truck with gasoline i have rrmove contents rrplace filters and rrfill with diesel … read more
Daniel Wilson
Daniel Wilson
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2004 gmc C7500, 2004 gmc C7500, 2004 Gmc C7500 vin
2004 Gmc C7500 vin 1GDL7C1CX4F514357 With a Caterpillar C7 esn# ***** Engine quit. Had no fuel pressure and no codes. I replaced Huei pump and injectors. Fished and clean per Caterpillar tsb. Oil,fuel lube and filters changed. Truck would not start after priming. Pulled codes again. Now I have a number 1 injector fault. Replaced injector harness due to bad connection at 1/2 injectors. Clear codes no start. Now codes on all 6 injectors. Replaced and reflash ECM. Now truck starts, idles and will not accelerate over 1500 rpm. Now has a 231-11 J1939 data link fault (58) now I'm trying to determine my next step. I'm in the middle of performing a power train data link circuit test. But I'm running out of options. In addition this truck is equipped with a gmc upfit to accommodate a Altec bucket. So there is a possibility there could be a issue with the cruise circuit ect. Although on the computer everything seams to checkout. … read more
Cat Man
Cat Man
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ISUZU 2003 FRR Intermittent, Miisssing, Skipping ,Spitting,
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Daniel Wilson
Daniel Wilson
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Thanks my truck has lost power no acceleration after
thanks my truck has lost power no acceleration after changing injectors … read more
Andy
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I have Isuzu 6HK1 fitted on Hitachi ZX330 hydraulic
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Jeremy
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I have a 2000 gmc c7500 7.4l. Wouldn't start one morning
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2001 Isuzu NPR with a problem. I am not getting any power to the ignition coil. I am getting a ground signal but no power in the wiring harness. I think it could possibly be a bad wiring harness or a … read more
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Fault code 14 & 65 for a 2007 Isuzu FSS550, Isuzu FSS550
I have aquired the fault codes 14 & 65, I just need to know what they are … read more
Daniel Wilson
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We are working on a 2008 Chevy C7500 with the Isuzu LF8
We are working on a 2008 Chevy C7500 with the Isuzu LF8 diesel. We replaced the DPF. Using our OTC diagnostic computer we can't find where to reset the DPF counter. Any ideas or suggestions?… read more
Alex Olsen
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I have a 2005 gmc c7500 with a cat motor (c7)? It down rates
I have a 2005 gmc c7500 with a cat motor (c7)? It down rates at about 60mph for about 5-10 seconds with dash lights dropping speed until about 40mph and then runs fine. What's the deal with that?… read more
Cat Man
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I changed head gasket on a 2000 Isuzu FRR truck, 6HK1 turbo
I changed head gasket on a 2000 Isuzu FRR truck, 6HK1 turbo diesel. Now I'm not getting ECM signal to injectors 1,3, and 5. Is it possible to test at the ECM for output signal and does someone have th… read more
Jeremy
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I have a 2005 GMC C7500 Cat motor and engine light coming on
I have a 2005 GMC C7500 Cat motor and engine light coming on after warmed up and another engine light with arrow downward on it staying on.. Any assistance you can give me would help..… read more
Cat Man
Cat Man
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i have a 2005 gmc t7500 with an 6hk1 isuzu diesel engine that
i have a 2005 gmc t7500 with an 6hk1 isuzu diesel engine that blew the heater hose that comes out of the waterpump. we replaced it and two miles later it blew again. we bypassed and have been running … read more
Jeremy
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1999 GMC C7500 truck wiring diagram / schematic is needed,
1999 GMC C7500 truck wiring diagram / schematic is needed, please someone help me with this.. the truck has catapillar engine in it, what happen is, the car wont start from the key, a back wire is nee… read more
Expert
Expert
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