Medium and Heavy Trucks

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Related Medium and Heavy Trucks Questions
I have a 2017 Isuzu NRR with the following codes: P0674
I have a 2017 Isuzu NRR with the following codes: P0674 P0673 P0672 P0671 U0106 LOST COM WITH GLOW PLUG MODULE P0301 CYL 1 MISFIRE Could this be the wire harness for the glow plugs? the module? would … read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
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2004 IH dt466 engine randomly misfires when at operating
2004 IH dt466 engine randomly misfires when at operating temp and blue smoke. Starts great and misfires at high rpms only. … read more
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james Roberts
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I have a 2005 C6500 with a cat 7.2. Misfiring and pinging.
misfiring and pinging. check engine light intermittent but wont store codes so when the driver gets back to the shop the codes are gone. I drove the truck this afternoon and while driving with scanner connected i got 2 codes: SPN 653 FMI=11 AND SPN 654 FMI=11 I inspected the harness connector outside of the valve cover and unplugged from the ecm to inspect connectors. all connectors look good. … read more
Daniel Wilson
Daniel Wilson
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Have a c7 cat with fault codes 164 and 42. Replaced wiring
Have a c7 cat with fault codes 164 and 42. Replaced wiring harness on engine and injectors. Still missing and smoking … read more
Cat Man
Cat Man
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Diagnosed c15 cat with smelling raw fuel after changing
Diagnosed c15 cat with smelling raw fuel after changing injector wiring harness. Now num 6 cyclinder will not heat and truck is missing… read more
Scott Anthony
Scott Anthony
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My 2007 357 Peterbilt stumbles randomly and emits unburned
Hi my 2007 357 Peterbilt stumbles randomly and emits unburned fuel smoke when it does.we changed injector harness. Had a check engine light on and it still ran ok checked the engine harness and found … read more
Bradey V
Bradey V
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2ND OPINION) I got Kenworth 2000 cat C12 engine in I'm
2ND OPINION) I got Kenworth 2000 cat C12 engine in I'm looking for how to test inyector volts … read more
Bradey V
Bradey V
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New injector wireing harness, new sensor harness, injector
new injector wireing harness, new sensor harness, injector selinods test good wont start high voltage to all injectors is what its showing on computer. … read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
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Repetitive (3) failures of solenoid #2 on a fuel injector.
Repetitive (3) failures of solenoid #2 on a fuel injector. 2012 Cat C13. The only code I get is Cylinder #3 Solenoid #2 failure every time. Each injector replacement has resulted in the same failure o… read more
Keiphun Sowell
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I have a 2006 Cat C7 s/n FMM09282 with a 164-3 fault.. I
I have a 2006 Cat C7 s/n FMM09282 with a 164-3 fault.. I have already changed ECM and sensor still getting code and the injectors wont cycle when ign switch it turned on. … read more
Cat Man
Cat Man
Cat Engine Expert
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I have a c15 mxs model throwing a 73 flash code and is
I have a c15 mxs model throwing a 73 flash code and is misfiring only does when hot I changed wiring harness under valve covers a main harness from ecm to valve cover base … read more
Cat Man
Cat Man
Cat Engine Expert
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C13 put in injector 4,5,6 fmi 5 on code come out on hand
c13 put in injector 4,5,6 fmi 5 on code come out on hand held … read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
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Hey Cat Man,I have a Cat c15 serial prefix SDP. Jake brake
Hey Cat Man,I have a Cat c15 serial prefix SDP. Jake brake quit working and not able to bump up to high idle. Drove the truck a few miles and now white smoke coming out exhaust. What do you think happ… read more
Cat Man
Cat Man
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Cat man. I have E model Cat 1LW07276 s/N It's cutting out at
Hello Cat man. I have E model Cat 1LW07276 s/N It's cutting out at higher rpm when boost is above 20 psi and fuel pressure is bouncing around all the time about to drive me crazy and it's getting wors… read more
Cat Man
Cat Man
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having trouble with a 3406e cat. fault code 74 injector 6 current high or low.swapped inje
having trouble with a 3406e cat. fault code 74 injector 6 current high or low.swapped injectors and it stayed with 6. ran a overlay circuit 6 still the same. replaced ecm, still no change. only happen… read more
Cat Man
Cat Man
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I have a 2002 Freightliner fl70 with a 3126 CAT ENGINE and
I have a 2002 Freightliner fl70 with a 3126 CAT ENGINE and I scanned it and the code was 128 002 11 SID it said it was injector #2 and I replaced all the injectors and still same thing… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,251 satisfied customers
BXS c15 acert engine. Replace all injectors about 3 weeks back.
BXS c15 acert engine. Replace all injectors about 3 weeks back. Ran great. Then all at once it started running real rough. Injector codes, sensor codes, you name it. Cat said I need a new ECM. Took ol… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
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I have a 3406e model cat i had it turned up in dec. I put a
I have a 3406e model cat i had it turned up in dec. I put a bigger turbo marine cam computer program and had the injectors turned up whatever that means But it came out with a shutter or miss in the e… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,251 satisfied customers
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Meet the Experts:

Daniel Wilson

Daniel Wilson

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Chris (aka-Moose)

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Disclaimer: Information in questions, answers, and other posts on this site ("Posts") comes from individual users, not JustAnswer; JustAnswer is not responsible for Posts. Posts are for general information, are not intended to substitute for informed professional advice (medical, legal, veterinary, financial, etc.), or to establish a professional-client relationship. The site and services are provided "as is" with no warranty or representations by JustAnswer regarding the qualifications of Experts. To see what credentials have been verified by a third-party service, please click on the "Verified" symbol in some Experts' profiles. JustAnswer is not intended or designed for EMERGENCY questions which should be directed immediately by telephone or in-person to qualified professionals.

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