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I have a Cat 246C 2010 Model. It loses speed or loses
I have a Cat 246C 2010 Model. It loses speed or loses lifting,curling power when I'm moving forward and try to lift at the same time. … read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
2,891 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
4,530 satisfied customers
2002 cat c-12 code for extremly low oil pressure while
2002 cat c-12 code for extremly low oil pressure while showing 40 on gauge, Snap on scanner can not clear code … read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
4,530 satisfied customers
I have a 1997 cat 3126 and the heui pump is making a high
I have a 1997 cat 3126 and the heui pump is making a high pitched squeal. also when this started I lost throttle control so all it will do now is idle for a short time then die. I replaced the heui pume and the injector pressure regulator but it didn' fix it … read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
4,530 satisfied customers
I have an 02 3126 cat in a Chevy truck I don't know what the
I have an 02 3126 cat in a Chevy truck I don't know what the serial number is ***** it's been wiped off the sticker. I have all powers and ground to the ecm. But it will intermittently start. When it … read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
4,530 satisfied customers
If my heui pump on my cat c7 has a light paste of metal
If my heui pump on my cat c7 has a light paste of metal shavings is it absolutely necessary to replace all 6 injectors along with heui pump … read more
Aaron Evans
Aaron Evans
MOBILE FLEET MANAGER
44 satisfied customers
I have a cat 262C skidsteer that the park brake won't
I have a cat 262C skidsteer that the park brake won't release on... … read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
2,891 satisfied customers
Have a 1998 Cat 3116 Heui with code 253-2. the code wont
Have a 1998 Cat 3116 Heui with code 253-2. the code wont clear and truck has no throttle response. will start and idle fine … read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
4,530 satisfied customers
I have a cat c-9 that runs smooth at idle, misses badly between
I have a cat c-9 that runs smooth at idle, misses badly between 850 RPM and 1200RPM and runs smooth once the turbo starts to spool up. I had a cat tech hook up the ET and he said the ohms and accusati… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
4,530 satisfied customers
I have a Cat C7. It is a cat certified remanufactured block
Customer: I have a Cat C7. It is a cat certified remanufactured long block that we installed last year. We had a cold start (-2f). I ended up having to give it starting fluid (turned key on, waited fo… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
4,530 satisfied customers
Cat man, I have a 2001 ford 650 with a c7 cat, we are
hi cat man, I have a 2001 ford 650 with a c7 cat, we are troubleshooting an issue causing the truck to shut down/idle and run erratically. the codes we have been getting all on and off are for low and… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
4,530 satisfied customers
Mr. Cat Man, We just built a 3412E engine ESN:BDT04560 and
Mr. Cat Man, We just built a 3412E engine ESN:BDT04560 and we can't get it to run. Every sensor, wiring harness, huei pump, fuel pump, injectors etc Everything is all NEW. We had a bypass harness buil… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
4,530 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
4,530 satisfied customers
2005 GMC Box Truck (CAT C7 Acert Engine). Stalled in Traffic
2005 GMC C7500 Box Truck w/ CAT C7 Acert Engine. Stalled today in traffic. Mobile Mechanic said something about low fuel pressure on low side. Replaced both fuel filters. Being after-hours, could not … read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
4,530 satisfied customers
Just recently made this repair. Leak returned. Reman heui/transfer
Just recently made this repair. Leak returned. Reman heui/transfer pump installed. One hour on the road leak returned. Any ideas what could be causing this? Cat et has acuation pres correct and replac… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
4,530 satisfied customers
cat 7 serial # XXXXX no start --no injection pressure
cat 7 serial # XXXXX no start --no injection pressure we checked orings on injectors ok we replaced pump still no pressure---possible new pump bad ??? how to dead head and test this pump ??? I do have… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
4,530 satisfied customers
hey Cat Man. In regards XXXXX XXXXX 04 C7. Switched out the HEUI
hey Cat Man. In regards XXXXX XXXXX 04 C7. Switched out the HEUI pump. Better idle but wont go over 5mph or so. Smoking like a freight train. Ran cylinder cutout test. Def has some bad injectors which… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
4,530 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
4,530 satisfied customers
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Meet the Experts:

Daniel Wilson

Daniel Wilson

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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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