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Number one cylinder missing put new injector pump and
number one cylinder missing put new injector pump and injector in still missing on one its a 1998 mack 400 hp … read more
james Roberts
james Roberts
Maintenance assistant
Vocational, Technical or Trade School
3 satisfied customers
Replaced exhaust manifold gasket, truck ran fine for a
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
4,023 satisfied customers
E7-400 Mack will not start without a shot of Either. Broke
E7-400 Mack will not start without a shot of Either. … read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
4,841 satisfied customers
2012 Mahindra Max 22 will not start, it just spins and blows
2012 Mahindra Max 22 will not start, it just spins and blows white smoke. replaced fuel filter and tank is full. It did this about a month ago and all I did was fill the fuel tank. Now its doing it ag… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
4,841 satisfied customers
I have a 1999 ch13 with E7 427 replaced cyl heads new
I have a 1999 ch13 with E7 427 replaced cyl heads new injectors and pumps contuning to have heavy black smoke at snapthrottel clears up some at high rpm pressur tested air charge holds 20 psi with no … read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
4,841 satisfied customers
I put 3 new injectors in the mack e7 460 still doing the
ok so i put 3 new injectors in the mack e7 460 still doing the same thing run very good in the level slight hills. start up a good hill and it starts mising bad blue smoke seems to me its mising on mo… read more
Wayne
Wayne
Journeyman
Vocational, Technical or Trade Scho
4,023 satisfied customers
Got a EM7-300 Mack 11GBA24622 P3 ....... was running fine
got a EM7-300 Mack 11GBA24622 P3 ....... was running fine then shut off like it ran out of fuel, cracked injectors no fuel coming out, replaced lift pump still nothing.. pressurized fuel tank getting … read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
4,841 satisfied customers
1992 Mack CH613: When started, will automatically go to 1400
1992 Mack CH613: When started, will automatically go to 1400 RPM and continue to climb. We messed around with the injectors and eventually went back to a normal idle. After driving 15 miles, and chang… read more
Jeremy
Jeremy
Certified Truck/Bus Technician
Associate Degree
2,740 satisfied customers
Mack e7 sputters/ misses when you let it idle than take off.
mack e7 sputters/ misses when you let it idle than take off. it clears out normally by the first shift or two and runs out normal … read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
4,841 satisfied customers
I have a 99 mack the came into my shop missing on cylinder
I have a 99 mack the came into my shop missing on cylinder number 5 after it warms up replaced injector and unit on that cylinder and is still the same thing will miss after it gets hot check the volt… read more
Jeremy
Jeremy
Certified Truck/Bus Technician
Associate Degree
2,740 satisfied customers
My name is ***** ***** , I have a 2000 Mack CH613 with
I have a 2000 Mack CH613 with E7 engine and had #4 eiu was faulty replaced with new one. updated code in the ecm and now #1 and 2 missing have check and the fuel just poor out when line cracked loose and all other pulse when running, swapped out unit pump with #3 and #2 still missing on #1 and #2 stayed the same any thought? … read more
diesel-tech
diesel-tech
Owner of landrys truck repair llc
136 satisfied customers
Working on a mack (mtg date 02/1999). engine is an e7 427.
working on a mack (mtg date 02/1999). engine is an e7 427. had a miss on #1 and #3 cylinder. Confirmed this by loosening the injector lines at the electric solenoids. I installed 2 reman injectors. #1… read more
Wayne
Wayne
Journeyman
Vocational, Technical or Trade Scho
4,023 satisfied customers
We bought an o ring kit to replace on injectors the kit has
We bought an o ring kit to replace on injectors the kit has 2 rubber o rings for exterior 1 steel washer goes on inside of injector should we take apart to replace inside seal and if so are there spec… read more
spankyjr1
spankyjr1
Retired
Vocational, Technical or Trade Scho
420 satisfied customers
I have a 93 Mack Gravel truck with the E7-400 Engine in it.
I have a '93 Mack Gravel truck with the E7-400 Engine in it. I bought it not running with the dash taken apart. The previous owner past before he could get it running. I towed it home and began the se… read more
Andy
Andy
truck /coach technician
Vocational, Technical or Trade School
207 satisfied customers
Have a460 mack was spitting and cracking in exhaust put new
Have a460 mack was spitting and cracking in exhaust put new head on had injectors tested now it is slow to open up and has feul showing where exhaust goes together. And the smell of raw feul also low … read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
4,841 satisfied customers
Hello. I have a 1999 Mack Ch613 with an E7 non-etec engine
Hello. I have a 1999 Mack Ch613 with an E7 non-etec engine that has an issue. After replacing a blown head gasket, we attempted to startup the engine, but blew the battery. We got a replacement batter… read more
Jeremy
Jeremy
Certified Truck/Bus Technician
Associate Degree
2,740 satisfied customers
We have a 2003 mack ch613 with an e7 engine that were are working
We have a 2003 mack ch613 with an e7 engine that were are working on. We pulled it apart and renewed the rings. After reassembling the unit we have two injectors not firing. We have removed cleaned an… read more
dieseldoctorkev
dieseldoctorkev
power system tech 1
76 satisfied customers
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
diesel-tech
Owner of landrys truck repair llc
136 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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