Can a 1998 Mack E7 engine crank but no start?
I have same problem with 1998 Mack e7 crank no start but no fuel too injector it has a Electric injector pump but on that not I found my starter has a really bad draw it’s pulling my 12.87 volts down to 8.6-9 volts so I have a starter order for it so I’ll see how that works
Why does my 94 Mack have no fuel?
94 Mack ch. 613. V max. 400. Just stopped have fuel come on the return line to tank did the filters checked the little fuel solenoid works good. Cracked the injections lines. But no fuel there. Dealer sent me a square block with a solenoid on it for 1200.
What kind of engine does a Mack rd688 have?
I have a 2002 Mack RD688S with an E7 engine in it. When you turn the key on, it powers up and everything seems fine, but when you go to start it, it wont start. We changed the ECU with one that works, and we checked the VECU also transfer pump if it has one. been there done that…………… BMT Certified Know-It-All!
Why does my E7 engine not start up?
Is this a working truck or a running truck, did it just not start one day, if it fires up with a shot of eather than more than likley it’s a fuel related problem. Crack a few inj lines on the pump and see if you have fuel when you turn it over. BMT Certified Know-It-All!
Why does my 1995 cl713 E7 shut off randomly?
Hey guys, my 1995 cl713 E7 shuts off randomly also. I get blink codes 6-2&6-3 everytime. Usually happens once or twice a day. Almost Always restarts, sometimes i have To cycle the key off multiple times before it will fire up. 8 months and a couple grand later still no fix.
How much torque does a Mack E7 engine have?
Mack E7 engine Main Bearing Bolt torque 115-125 lb.ft, 156-170 Nm Mack E7 engine, Cylinder Head Bolt torque Step 1 = 90 lb.ft, 122 Nm
Which is pump got replaced in Mack E7?
There is an electronic timing advance situtated between the f.i. pump and timing case. Which pump got replaced? The fuel injection pump, or just the primer/fuel supply pump? Can’t remember for sure off of hand, but there might be an overflow valve like the p-pumped Cummins has. That could be the problem as well.
Where is the AC key on a Mack truck?
AC-O KEY SW., START & CHARGING 4 GG TRAILER LIGHTING CONTROL 32 AD GROUNDING 5 GH-O INTERIOR LIGHTING 33 AE BATTERY CONFIGURATION 6 GI SNOWPLOW PREP CONNECTOR 34
What is the wiring diagram for a Mack truck?
Document Release Status D-16194-85 SEE DCN Date Modification Count WIRING DIAGRAM INDEX, 12V NAME DESCRIPTION Page NAME DESCRIPTION Page AA-O POWER DISTRIBUTION 1/2 2 GD LIGHTING-FORWARD/SIGNAL (CXU,GU7,GU8) 30 AB-O POWER DISTRIBUTION 2/2 3 GF LIGHTING – TAIL/PERIMITER 31
What to do if your Mack engine won’t start?
check the fuel cut off solenoid to see if it’s opening up all the way when the key is on…. could be choking off your fuel right there…. follow the little wire to the fuel pump….
What to do when your E7 shuts off randomly?
Your rack controller in the pump is shot. Get engine hot till it begins to snub. Pop the hood and spray the pump controller with cold water from a garden hose. Note if snubbing stops.
What kind of engine cranks but wont s?
I have a 2003 mack with ami 370 that cranks but wont s, can anyone helptart unless u spray either to it ,runs only with either change out ecu fuel pump fuel line fuel filters and now I am just stuck ,have bno smoke coming out the stacks but when crack injector fuel lines fuel does come out of them
What does no start no crank no click mean?
If you have a late model GM vehicle and turn the key only to hear nothing, you’ll most likely think you have a dead battery—and you may. But a no start, no crank, no click condition can be far more involved than that. In the old days, power flowed through the ignition switch and down to the starter solenoid. Not anymore.
What kind of battery does a Mack truck have?
Anything below 11.5 volts and it gets the lack of will to work. Mack have installed a voltage warning light in the dash ( just a little red LED ). Is more of a problem on these buckets as the cab and chassis electrics are 24v and the engine is 12 volt. Check to see if you have a battery on the way out. 94 Mack ch. 613. V max. 400.
What kind of fuel shut off does a 90 Mack have?
Just a thought, what kind of fuel shut off does it have electric or cable, make sure it’s opening all the way.I have a 90 mack that had an electric air shut off on the pump,I had to take it off and hook up a cable shut off because sometimes it wouldent shut the fuel off and sometimes it wouldent turn it on. 3 weeks later…
Where is the fuel pickup tube on a Mack?
I know that most Mack tanks have the fuel pickup tube welded into the top of the tank, but if that turns out to be the problem, it’s possible to use a hole saw and bore another hole in the top of the tank, weld in a female pipe fitting of the correct size and fabricate a screw in pickup tube as described earlier.
When did the Mack Engine No start discussion start?
ALL NEW MEMBERS PLEASE READ THIS FIRST!!! Discussion in ‘ Trucks ‘ started by kbeen, Jul 23, 2012 .
What kind of engine is a Mack E-7?
Mack E-Tech engines are 6 cylinder multi-system cooled and range from Mack E-7 Engine in Truck360 to 500 hp. The fuel injection system uses an upgrade to the Econovance technology of the E7 called the Mack V-Mac III electronic fuel control system which utilized electronic unit pumps.
Is the 2011 Mack CXU using coolant but no leaks?
2011 Mack CXU using coolant but no leaks? Mack Pinnacle, first impressions!! Dreaded air dryer problem… Software for trouble shooting for MP8 Mack Trucks?
What kind of engine does a Mack ch613 have?
I have 2003 Mack Ch613 with an E7-427. Engine won’t start, im not getting any power to the EUP. We have already swiched I have 2003 Mack Ch613 with an E7-427. Engine won’t start, im not getting any power to the EUP.
What kind of engine does a 1995 Mack truck have?
Ok so I’ve posted on this before however I didn’t provide all the information as I had come to the conclusion the 2 issues were unrelated, but now I’m re -thinking. 1995_Mack_Repair_Sheet_3_of_31.pdf The truck is a 95 E7 400 VMAC I I believe (Pump looks just like the mechanical ones however electronically controlled) My issues are as follows:
When did the Mack E7 engine come out?
The history of the engine is steeped in technology, tradition and good old American gumption one would expect from Mack. The e7 mack engine was first conceptualized in 1988 by the Mack Corporation engineers and introduced in 1989. The Mack E7 Engine replaced the longstanding Mack e6 model and was produced for over 20 years.
How many horsepower does a 350 Mack Engine have?
They are good for 330+ hp and over 1000ft lbs of tq. An M11 IMO would be a good choice except that they are electronic. I may have to check into those both the L10 and M11. . . I was thinking more of the rest of the drive was of Mack design and the military already used a Cummins power plant that i might be better off with and old 350 Mack.
What kind of engine does a 1998 Mack ch613 have?
Call for more info 1998 Mack CH613 Tandem Axle Sleeper, Mack E7 454 H.P (Remanufactured Engine Installed), 18 speed manual. Enter search information and click the Search button below. Use the TAB key to move between fields. To select more than one manufacturer, hold down the CTRL key while you click the names.
How many horsepower does a Mack E7 engine have?
At the lowest rating of 250 hp the mack e7 engine will put out 975 foot pounds of torque. Consequently, at the highest hp rating a Mack e7 engine will put out was 454 hp at an impressive 1,660 foot pounds of torque. The vast majority of mack e7 engines still on the road are later models which are all water cooled.