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Related Medium and Heavy Trucks Questions
Gm I have a 04 GMC c7500 7.2 Diesel engine cranks but will
Gm I have a 04 GMC c7500 7.2 Diesel engine cranks but will not start, I replaced the Heui pump, and no fuel coming … read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,213 satisfied customers
I have a 2005 Freight liner Business Class M2 Caterpillar C7
Hi i have a 2005 Freight liner Business Class M2 Caterpillar C7 Diesel L6, 7.2 (439 CID) The problem that aim having it cut off but it starts again so i change the fuel filters and cleaned the fuel ta… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,213 satisfied customers
I'm trying to narrow down a cat c7 running rough/missing
Hi, I'm trying to narrow down a cat c7 running rough/missing problem. It has an intermittant code(###) ###-####which flashes at idle but not while revved or driving. I have a pressure guage in the oil… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,213 satisfied customers
It pulled four codes 15 51 39 35 the truck will start and
It pulled four codes 15 51 39 35 the truck will start and die … read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,213 satisfied customers
I need to talk with the cat man got a c7 with running
I need to talk with the cat man got a c7 with running problems … read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,213 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
10,213 satisfied customers
I have a Cat C7 in a Peterbilt that throws this 164-2
I have a Cat C7 in a Peterbilt that throws this 164-2 Actuation pressure sensor erratic code only when the customer is driving his truck after 7-10 minutes. Its a boom truck, so when he comes to a sto… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,213 satisfied customers
Sterling 8500 with cat c7. truck has no power. changed
sterling 8500 with cat c7. truck has no power. changed filters . getting injection actuation pressure system 164-fmi 11-flash code 39 and 164 fmi 2 flash code 15… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,213 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
10,213 satisfied customers
C7 use to hold 37.5 psi but just recently dropped to 25 psi.
C7 use to hold 37.5 psi but just recently dropped to 25 psi. Just replaced barrings and still only holding 26-27psi at operating temp... … read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
4,737 satisfied customers
I HAVE A 2005 FREIGHTLINER M2 WITH A CAT C7. IM GETTING A CODE
I HAVE A 2005 FREIGHTLINER M2 WITH A CAT C7. IM GETTING A CODE 164-02 OR FLASH OUT CODE 15 INJECTION ACUATION PRESSURE SIGNAL ERRATIC LIGHT COMES ON AND REDUCED POWER HOW DO I TEST OR GET A PINPOINT T… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,213 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
10,213 satisfied customers
FREIGHT LINER M2: 05 FREIGHT LINE M2 WITH C7 CAT ENGINE TROBLE
05 FREIGHT LINE M2 WITH C7 CAT ENGINE TROBLE CODE DETECTED 164-11 INJECTION PRESSURE SYSTE FAULT(39)… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,213 satisfied customers
Im working on a c7 in a truck. I have 1740psi injection actuation
Im working on a c7 in a truck. I have 1740psi injection actuation pressure at idle. have changed huei pump, iap sensor, injectors, and ecm. fuel pressure is 60 at idle. truck misses bad below 2000rpm.… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,213 satisfied customers
Mr. Cat Man, I have a C7 ESN:SAP10990 that will crank and
Mr. Cat Man, I have a C7 ESN:SAP10990 that will crank and run great sometime and sometimes it won't crank at all. I have code 41-11 and code 164-2. I've changed the actuation oil pressure sensor and w… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,213 satisfied customers
I have a freightliner m2. C7. 300hp. It shows code 6H 164.
I have a freightliner m2. C7. 300hp. It shows code 6H 164. 51d 020 fail 07 can you help.... also should this truck have alot of blow by… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,213 satisfied customers
What is making the huei pump only produce 500 psi until I unplug
What is making the huei pump only produce 500 psi until I unplug the injection control pressure sensor on top the head. With it unplugged the huei pump will put out 5000psi… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,213 satisfied customers
i Have a 2004 T300 with a C7 cat. After it gets warm it starts
i Have a 2004 T300 with a C7 cat. After it gets warm it starts to sputter on take off. There are no codes ,did all the injector tests ,tested the hpop pressure its good. One thing though after i chang… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,213 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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