Medium and Heavy Trucks

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Cat truck cat motor ct-13 regening to often loosing four
cat truck cat motor ct-13 regening to often loosing four quarts oil every 700 miles . pulled off hose that goes to cooler,no apparent oil in hose or while goose it on and off. Pulled off EGR tube lots… read more
Scott Anthony
Scott Anthony
Master Technician
HS Diploma
2001 GMC with a 3126 engine. After warming up the engine
2001 GMC with a 3126 engine. After warming up the engine looses power and will drop to 20 MPH climbing hills. I checked fuel pressure at an idle and its around 75 PSI. I left the gauge on and drove th… read more
Mike
Mike
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Peterbilt 2004 379 bxs 10888 cat c15 -problem is engine when
peterbilt 2004 379 bxs 10888 cat c15 -problem is engine when running down road at cruise, engine will cool to about 150 degrees. sit at loading dock and idle will run about 190. pull a hill will come … read more
Cat Man
Cat Man
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Cat Man
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I have a 2006 379 pete with a mxs68502c15 cat and the boost
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Cat Man
Cat Man
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Vocational, Technical or Trade Scho
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I have a 2006 t800 with a cat c15 motor. I had a complete in
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Mike
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2002 379 pete c15 6nz cat .engine will not start without
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Edward Haniewski
Edward Haniewski
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I have a cat bxs that has a flutter or miss or something but
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Cat Man
Cat Man
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Vocational, Technical or Trade Scho
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I have a 2004 C-15 Acert Single turbo conversion Peterbilt
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Cat Man
Cat Man
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09 c13 oil pressure was dropping down to zero and shutting
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Cat Man
Cat Man
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My cat c15 will stumble,cough,shutter sometimes. Mash on the
My cat c15 will stumble,cough,shutter sometimes. Mash on the throttle and it will catch back up … read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
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Have a 2004 peterbilt 379. There is voltage drop after it
have a 2004 peterbilt 379. There is voltage drop after it has been running for about 5 min with lights and cab equipment dimming or stopping. Engine continues to run. Replaced batteries and continues.… read more
Daniel Wilson
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Have good oil pressure from start after engine warms up and
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Cat Man
Cat Man
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Having problems with a 2004 C13 we have ser.# ***** some
having problems with a 2004 C13 we have ser.# ***** some times cranks but no start, some times starts but idles no throttle response, some times starts has rpms tops around 1200… read more
Cat Man
Cat Man
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I have a 2000 Pete 379 with a series 60 12.7 detroit. The
I have a 2000 Pete 379 with a series 60 12.7 detroit. The motor has 25,000 miles on the inframe,new head. Had a problem with the fuel turning black and it turned out to be crush ring problem. Engine h… read more
spankyjr1
spankyjr1
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spanky, We are not working on a KW Series 60 ESN#06R0548395 It
spanky, We are not working on a KW Series 60 ESN#06R0548395 It looses power at higher RPM's. I unplug the air cleaner and fuel filter. replaced both. Still drops power at 1700 RPM no codes present. Ca… read more
spankyjr1
spankyjr1
Retired
Vocational, Technical or Trade Scho
420 satisfied customers
today we are working on a C-12 customer concern: low oil pressure
today we are working on a C-12 customer concern: low oil pressure after installing test gauge, we have 25-30 psi at idle 50 psi at high rpm concern #2- oil leaking out of turbo housing and exhaust tur… read more
Cat Man
Cat Man
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Vocational, Technical or Trade Scho
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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
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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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