Medium and Heavy Trucks

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I have a 2009 Mack truck here the model gu713 here serial
I have a 2009 Mack truck here the model gu713 here serial number ho80208006 the truck blows lots black smoke here a pic of the codes I think maybe turbo bad how do I start troubleshooting this… read more
Keiphun Sowell
Keiphun Sowell
AutoDiesel Technology
1,180 satisfied customers
C10 cat wont start it has 40LBS of fuel pressure. just put
c10 cat wont start it has 40LBS of fuel pressure. just put injectors in it. its firing on #5 cylinder all are getting AC voltage … read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
5,234 satisfied customers
We have a cat serial number is 5EK31855 It bucks and pitches
we have a cat serial number is ***** It bucks and pitches when you give it fuel noe ck eng light. Have ck all fuel lines cac turbo and boots all ok. We have change fuel pump boost sensor and speed sen… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
5,234 satisfied customers
I am looking at a yacht with twin Cat 3116 engines serial
I am looking at a yacht with twin Cat 3116 engines serial #s: 4KG05890 and 4KG06165. Can you tell me if these are the FASP casting blocks? Should I be concerned if they are. Engine currently have 1500… read more
cat_engines_only
cat_engines_only
Other
Vocational, Technical or Trade Scho
3,358 satisfied customers
I want to replace my injectors on my 950f cat wheel loader.
I want to replace my injectors on my 950f cat wheel loader. It has 3116 engine … read more
cat_engines_only
cat_engines_only
Other
Vocational, Technical or Trade Scho
3,358 satisfied customers
I have a cat 3116 truck engine that has beer marinized. It
Hello I have a cat 3116 truck engine that has beer marinized. It is set up with dry exhaust. Cat factory manifold and turbo. To a stack. The manifold seams to be way to hot. It keeps blowing the manif… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
5,234 satisfied customers
3111. 3116 CAT NO POWER UNDER LOAD ONLY. RUNS FINE SITTING
3116 CAT NO POWER UNDER LOAD ONLY. RUNS FINE SITTING STILL … read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
5,234 satisfied customers
I have a cat 3116 on a test unit ..cannot find a serial
i have a cat 3116 on a test unit ..cannot find a serial number ..they tell me the injector pump is not building enough pressure and the engine starts then shuts down … read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
5,234 satisfied customers
I have a 3116 Cat in a 963b Cat Loader. We just overhauled
I have a 3116 Cat in a 963b Cat Loader. We just overhauled the engine and it won't start. Got fuel to the injector pump and the solenoid is clicking. We are getting Black smoke when we crank it and it… read more
cat_engines_only
cat_engines_only
Other
Vocational, Technical or Trade Scho
3,358 satisfied customers
Have 1994 gmc topkick with 3116 cat motor skips under
have 1994 gmc topkick with 3116 cat motor skips under load,done fuel filter ,cleaned screen in fuel inlet to pump still skips no black smoke or white smoke getting worst… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
5,234 satisfied customers
We have a CAT 3116 engine Cylinders #1, 2, 3 ARE NOT FIRING
we have a CAT 3116 engine Cylinders #1, 2, 3 ARE NOT FIRING AT ALL, 4,5, 6 are firing... we changed around injectors, same thing,… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
5,234 satisfied customers
Working on a GMC topkick, 3116 CAT Blows Black smoke, runs
Working on a GMC topkick, 3116 CAT Blows Black smoke, runs rough, knocks, when throttling up takes awhile to get back to Idle. After shutting down, unit runs for an additional 30-40 seconds. Seems it … read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
5,234 satisfied customers
Talked with Cat Man yesterday. Conclusion was that I have a
Talked with Cat Man yesterday. Conclusion was that I have a fuel pump problem with my 3116 (mechanical) engine. When I called local CAT dealer they wanted to know if it was the transfer pump or the in… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
5,234 satisfied customers
Had mechanics working on my truck which has a Cat 3116 engine.
Had mechanics working on my truck which has a Cat 3116 engine. Basically did an inframe rebuild. However, turbo is not functioning right. Shop said they didn't have right equipment to check it out. Th… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
5,234 satisfied customers
I have a 1995 GMC top kick with a 3116 Cat 215hp (170,000 miles)
I have a 1995 GMC top kick with a 3116 Cat 215hp (170,000 miles) that started blowing white smoke real bad even when warmed up, but doesn't seem to be miss firing at all and the turbo looks fine. The … read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
5,234 satisfied customers
this 3116 I have only has 10 lbs of fuel pressure Has a new
this 3116 I have only has 10 lbs of fuel pressure Has a new pump and new filters, inlet lines are good, and not sucking air Is there supposed to be some sort of regulating check in the back of the hea… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
5,234 satisfied customers
GMC c7000: I have a 96 cat 3116. It starts fine drives local
I have a 96 cat 3116. It starts fine drives local fine. It is a bucket truck so runs at 1000 rpm all day with no problems . When I climb a hill over 40 the motor runs out of power and sounds flat. I c… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
5,234 satisfied customers
I have a 1997 cat 3116 in a chev kodiak truck. Currently rated
I have a 1997 cat 3116 in a chev kodiak truck. Currently rated at 190 HP. Can I get 250hp out of it ?… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
5,234 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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