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I have a Cat 3126 in a Freightliner truck with 350,000 miles
I have a Cat 3126 in a Freightliner truck with 350,000 miles on the clock. I think I have a bad HEUI pump but I'am not sure how to test it. Also, while cranking the truck [it wont start] I'm noticing … read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
9,547 satisfied customers
I have a freightliner with a cat c7 engine, will not start.
I have a freightliner with a cat c7 engine, will not start. Turns over fine. Power and ground at ecm. Flash codes are 58. Cat et shows cold start and no engine speed. Replaced speed sensors and fuel r… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
9,547 satisfied customers
Do u recommend installing a manual primer on a 2006 Cat C7
Do u recommend installing a manual primer on a 2006 Cat C7 engine that is hard starting … read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
9,547 satisfied customers
Cat c7 acert crank no start, c7s09786, 2008 ford f750,
replaced transfer pump, replaced check valve on back of cylinder head, checked for high and low pressure fuel leaks… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
9,547 satisfied customers
Have complicated and unusual case. Brand new FMM26704 Cat
Brand new FMM26704 Cat was installed replacing KAL48257 … read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
9,547 satisfied customers
Cat man ...i have an 07 freightliner m2 with a cat c7
hey cat man ...i have an 07 freightliner m2 with a cat c7 accert...445k on motor...this morning i had a major leak on the left side rear of engine...oil was coming from some where on top and leaking w… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
9,547 satisfied customers
What is the correct way to take off a fuel transfer pump on
What is the correct way to take off a fuel transfer pump on a c7 … read more
Wayne
Wayne
Journeyman
Vocational, Technical or Trade Scho
2,892 satisfied customers
Cat c7 serial #71176 wont run will start with ipr unplugged
cat c7 serial #71176 wont run will start with ipr unplugged and a shot of either dies out when i plug in the ipr new heui pump… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
9,547 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
9,547 satisfied customers
Crank No Star, No Rpm reading on dash and no fuel coming out
Crank No Star, No Rpm reading on dash and no fuel coming out of fuel press test port. … read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
9,547 satisfied customers
I have a c7 that will not start, has a new fuel pressure
I have a c7 that will not start, has a new fuel pressure regulator and fuel pump as we were getting a low fuel pressure code. Has no codes now.… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
9,547 satisfied customers
I need guidance with an 2006 sterling with a c7 cat.
I need guidance with an 2006 sterling with a c7 cat. Initially came in with a dying and customer would wiggle wires and would run. The next day it would not start. In the shop we could unplug and plug… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
9,547 satisfied customers
I have a06 freightliner c7 cat with ECU 128 PID 164 00 won't
I have a06 freightliner c7 cat with ECU 128 PID 164 00 won't start after it sits all night and slows to 45 MPH when the check engine comes on… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
9,547 satisfied customers
This is man, working on 2005 c-7 need some help with it. I do not to just replace
This is for cat man, working on 2005 c-7 need some help with it. I do not to just replace the high pressure pump without being sure about it . the truck came in on the hook, will not start on its own,… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
9,547 satisfied customers
I have a late model 2003 cat C7 in a freight liner chassis
I have a late model 2003 cat C7 in a freight liner chassis with only a fuel water separator and when changing the filter I let the system go dry. I also do not have a mean of priming the system. What … read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
9,547 satisfied customers
Cat Man! I need some help once again. 2007 Freighliner M2
Cat Man! I need some help once again. 2007 Freighliner M2 CAT C7 300hp, WAX48686 All fluids full. No check engine light. 2 nights ago it died while driving, and would not restart. I had it towed to th… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
9,547 satisfied customers
i have a 2004 bluebird vision school bus that is sluggish starting
i have a 2004 bluebird vision school bus that is sluggish starting and stalls when i slow to a stop, it is also using alot of oil… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
9,547 satisfied customers
Caterpillar 3126/C7 Engine Issues. The following enine is in
Caterpillar 3126/C7 Engine Issues. The following enine is in the shop with failure issues. Can you advise as to perhaps why engine has continual engine issues? Here is a history of engine issues in th… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
9,547 satisfied customers
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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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