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Related Medium and Heavy Trucks Questions
Have a question for cat man. Sorry I never got back to you.
Sorry I never got back to you. C7d00186 is the old C7x00783 is new They are cat c7 … read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
15,140 satisfied customers
102-3 code, 2004 c7 acert # kal 58192. code comes up as
102-3 code, 2004 c7 acert # kal 58192. code comes up as voltage hi, pulled snsr Thought I could verify bad by clearing code and see if it came back as 102-7 but won't clear … read more
Nich1019
Nich1019
Diesel Technician
Vocational, Technical or Trade School
82 satisfied customers
I have 98 GMC C8500 water truck that had a 3126e that was
I have 98 GMC C8500 water truck that had a 3126e that was replaced with a Cat C7. The truck side is 40 pin and the engine side is 70 pin. Married together with an adapter. The engine is chugging and b… read more
Nich1019
Nich1019
Diesel Technician
Vocational, Technical or Trade School
82 satisfied customers
03 Freightliner fl70 cat c7 flash code 61. I have no codes
03 Freightliner fl70 cat c7 flash code 61. I have no codes on scanner, not event logged or event. the light on dash just flashes none stop over and over constant. Replaced coolant level, had level cod… read more
Nich1019
Nich1019
Diesel Technician
Vocational, Technical or Trade School
82 satisfied customers
C15 reads no eng, wont fire,gives code 140. power at pins 70
c15 reads no eng, wont fire,gives code 140. power at pins 70 52 53 and i thunk 55, but also has power at pins 63 65 67 and 69 … read more
Nich1019
Nich1019
Diesel Technician
Vocational, Technical or Trade School
82 satisfied customers
2003 Freightliner cat C7 3126 dash code 1_1.1 what dose this
2003 Freightliner cat C7 3126 dash code 1_1.1 what dose this mean? Dash light flashing. No codes except 1 on dash.… read more
Wayne
Wayne
Journeyman
Vocational, Technical or Trade Scho
5,115 satisfied customers
I have an 05 gmc 8500 with a c7 cat will not rev above 1500
I have an 05 gmc 8500 with a c7 cat will not rev above 1500 rpm. I have been using cat et software. I have 80 to 85 psi of fuel pressure and 2500 psi of high pressure oil … read more
Wayne
Wayne
Journeyman
Vocational, Technical or Trade Scho
5,115 satisfied customers
2007 CAT C7 engine. Need instructions to install a manual
2007 CAT C7 engine. Need instructions to install a manual regeneration switch for the DPF.… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
15,140 satisfied customers
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
Vocational, Technical or Trade Scho
5,353 satisfied customers
CAT C7 engine. Would like to get to Cat Man. Having issues
CAT C7 engine. Would like to get to Cat Man. Having issues with this engine. Suspect an intermittant speed sensor issue. … read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
5,353 satisfied customers
2007 CAT C7. MILITARY TRUCK. CODE 164-02 WILL FLASH ON
2007 CAT C7. MILITARY TRUCK. CODE 164-02 WILL FLASH ON PERIODICALLY THEN GO OFF. IT WILL ONLY BE ON FOR A FEW SECONDS. CAT ET SHOWS DESIRED ACTUATION PRESSURE AND ACTUAL PRESSURE INLINE WITH EACH OTHE… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
5,353 satisfied customers
I am having a knocking issue with a rebuilt Cat C7? 2005 Cat
I am having a knocking issue with a rebuilt Cat C7? … read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
5,353 satisfied customers
Keep getting 655-7 code even after injector replacement,
Keep getting 655-7 code even after injector replacement … read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
5,353 satisfied customers
Cat c7, 2004 m2 freightliner, doing it myself, i have a cat
hi JA: Hi. What is your issue regarding? Customer: cat c7 JA: What's the make/model/year of your truck? Engine type? Customer: 2004 m2 freightliner JA: Are you fixing your truck yourself? What have yo… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
5,353 satisfied customers
have a 2008 f650 with cat engine. installed rail injection
have a 2008 f650 with cat engine. installed rail injection pump and fuel tubes and truck wont start. i have fuel getting to the high pressure pump but the high pressure pump is not pushing it the rest… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
5,353 satisfied customers
I have Freightliner M2 106 with a Cat C7 engine. It is reading a code
I have Freightliner M2 106 with a Cat C7 engine. It is reading a code PID 259 Fault 1 Fail 00. The truck will drive normally, then the speed of the engine will drop to 45 mph and won't go above that. … read more
John Vieira
John Vieira
Heavy Duty Diesel Mechanic
63 satisfied customers
Hi- I have a Cat C7 engine with a blowby problem resulting in a cracked cylinder. The ECM
Hi- I have a Cat C7 engine with a blowby problem resulting in a cracked cylinder. The ECM shows that we had extremely low coolant levels but there is no evidence of a overheat on the ECM report and we… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
5,353 satisfied customers
I have a 2004 freightliner with a C7 caterpillar engine. The
I have a 2004 freightliner with a C7 caterpillar engine. The check engine light on dashboard is on. I changed the intake air temperature sensor and light is still on. What could be the problem, please… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
5,353 satisfied customers
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Meet the Experts:

Daniel Wilson

Daniel Wilson

15,140 satisfied customers

Owner at DJ Wilson

Cat Man

Cat Man

Cat Engine Expert

5,353 satisfied customers

I am ASE Master Truck Certified.

Wayne

Wayne

Journeyman

5,115 satisfied customers

worked on, Gmc, Macks, Freight liner,Mercedes Benz,,Ford, sterling

Jeremy

Jeremy

Certified Truck/Bus Technician

2,756 satisfied customers

ASE Med/HD Truck Technician, NATEF Diesel Engines and Electrical/Electronics Technician, Network Engineer specializing in CAN faults, Aftertertreatment, and vehicle communications

Curtis B.

Curtis B.

Technician

1,947 satisfied customers

Technician turned service manager on multiple lines of trucks and engines, used in industry.

cumminsdr

cumminsdr

Mechanic

1,886 satisfied customers

All types of Cummins applications

Chris (aka-Moose)

Chris (aka-Moose)

Technician

641 satisfied customers

24 years of experience diagnosing & repairing

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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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