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Related Medium and Heavy Trucks Questions
How do you get the air out of the fuel injectors of a Mack
How do you get the air out of the fuel injectors of a Mack e7 … read more
Chris (aka-Moose)
Chris (aka-Moose)
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Vocational, Technical or Trade School
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replaced exhaust manifold gasket, truck ran fine for a couple of minutes, then it got a terrible miss in it, raw fuel, upon shutting it off, all sorts of pre ignition, also while running, tried to ble… read more
Wayne
Wayne
Journeyman
Vocational, Technical or Trade Scho
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i have 1998 mack rb688s with a e7 350 engine losing power going up a incline I just got the the headed and injectors done on it. It still smoke a lot tht color of the smoke is black … read more
Wayne
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Vocational, Technical or Trade Scho
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I have a 1968 Ford 2000 diesel tractor. It smokes, A LOT, it
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Curtis B.
Curtis B.
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I have a cat that falls on its face once its under a load
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Cat Man
Cat Man
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Vocational, Technical or Trade Scho
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I have a 03 Mack E7 427 engine it runs hot with thermostats
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How do I test my compressor on my Mack e7 427 to see if
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Daniel Wilson
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I have a 04 Mack that has a low power issue. We checked the
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Daniel Wilson
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GA-RP mack e7-350 2000 year model replaced fuel injection pumps (6) no
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I have a 93 Mack Gravel truck with the E7-400 Engine in it.
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Andy
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I have a 1997 mack truck it has a e7-350 engine it starts fine
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i have a 99 hino Fb. with 295k miles on it. 5.2L diesel engine.
i have a 99 hino Fb. with 295k miles on it. 5.2L diesel engine. starts up great. but when i start to accelerate and go from first to second it does smoke a lot and chokes the engine. there is a bit of… read more
Jeremy
Jeremy
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I have a 94 Mack with approx 700,000 miles on an E7 400 engine.
I have a '94 Mack with approx 700,000 miles on an E7 400 engine. I have white smoke coming from the blow by tube--regular exhaust from the stack. No loss of power. Temperature on the coolant is normal… read more
Cat Man
Cat Man
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I have a 2000 mack ch 613 E7-460. Motor shut down without
I have a 2000 mack ch 613 E7-460. Motor shut down without showing engine shutdown light coming on. or showing any engine codes. We been trying to get it restarted by FRIST checking if we have fuel 2nd… read more
diesel-tech
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Meet the Experts:

Daniel Wilson

Daniel Wilson

11,531 satisfied customers

Owner at DJ Wilson

Cat Man

Cat Man

Cat Engine Expert

5,234 satisfied customers

I am ASE Master Truck Certified.

Wayne

Wayne

Journeyman

4,023 satisfied customers

worked on, Gmc, Macks, Freight liner,Mercedes Benz,,Ford, sterling

Jeremy

Jeremy

Certified Truck/Bus Technician

2,740 satisfied customers

ASE Med/HD Truck Technician, NATEF Diesel Engines and Electrical/Electronics Technician, Network Engineer specializing in CAN faults, Aftertertreatment, and vehicle communications

cumminsdr

cumminsdr

Mechanic

1,700 satisfied customers

All types of Cummins applications

Curtis B.

Curtis B.

Technician

1,571 satisfied customers

Technician turned service manager on multiple lines of trucks and engines, used in industry.

Chris (aka-Moose)

Chris (aka-Moose)

Technician

353 satisfied customers

24 years of experience diagnosing & repairing

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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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