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Is there and under hood fuse panel? If so check it for green fusses ect maybe swap some relays around also you could have a bad relay!

You likely do !!! Or you wouldn't be posting here! Most guys don't Care! Just a Job ! Keeping an open mind! Google stuff use what ever at your disposal to find stuff for people is key! Problem is its time consuming ! and you got folks coming at you from every direction mechanics customers ect ! Compounded by an antiquated poorly designed computer system! Could be so easy if the Impact was set up correctly! Unfortunately they hired the wrong people with the wrong mindset to design it!

Yup I'm not a Cummins lover by any means But they Do have a common sense approach to repair for the most part ! Unlike Volvo ! And if you have a Cummins in a Mack/volvo you have the politics and finger pointing when shit goes wrong! Your problem , not My problem bs with the customer caught in the middle! when it should be a TEAM effort! !

Hmm ! Not a guru on this ! You checked the block grounds and battery nite switch connections ?

The problem with impact is the search or lack there of in my opinion! Cummins has it all over these guys in the repair and parts area!

Its likley a MP7 ! As stated lots of places for this issue to happen even a turbo has coolant to it! think you'll need to pull the pan to chase that one!

Key is money maker! Hate em or not you still have work! And will do for quite awhile 🤣 ! don't forget All the manufacturers are facing the same issues Volvo/Mack are .I respect your statement also ! But you need to step back in the line thou some ! us old guys got seniority when it comes to the Volvo trash hatein ! They certainly trashed the parts system ! The old Mack parts system made parts guys look like heroes most of the time! Didn't need a book or computer to find stuff most of the time! Now you get the blank stare when you go to the parts counter! And its not all because the people are totally stupid! Note if you need to cross reference stuff get your self a PAI account There site works well for this if they have the part your looking for!

Stretch the spring a bit if you want ! 40 pounds is fine thou ! and If there is a tiny hole thru the center at the pointy end of that plunger solder it closed! I believe B IN B pulling is likely running a Robby bosch most racers like these pumps better! 30 - 40 psi ok it will still pull fine at that stock! remember they have a high fuel demand when racing! pressure and flow is important there!

Worth a try!

Its built in to the pump ! Right rear round thing near the return line remove the allen plug and check the spring! make be broken!

Un plug the eecu and check for coolant at the plug!

Yup check the codes! howerver Does it shut off clean or sputter to a stop! =fuel issue ! Stops clean = Electrical!

Well let us know if the new injector cures it! Not the first time we see bad reman injectors!

The fuel pedal has a close relationship with this also !

Nope the new age disc brakes are very pricey! And if used on stuff like garbage packers ect wear real quick plan on doing pads yearly or less! ! Also We had a customer with a low bed he was replacing pads and rotors left right and center due to the terrain here! Mountain roads and heavy logging equipment don't mix well with this setup they stop reliably for the first bit how ever expensive to repair ! These are a fair weather / over the road braking system in my opinion ! Wouldn't use it on stuff that has to work hard myself! Just my opinion!

Another place you can look here is the Vecu check the plug to this its under the mid dash and unfortunately its mounted wire side up and if the windshield leaks it can cause gremlins if water gets into the plug or The ecu itself!

Nope not dumb ! I just think your glasses were smudged ! 🤣

look down by the cab mount Joe!!! nit switch! ground fault has black wire I believe you are correct on the relay! looks like an R model!

Yup mechanic is our pronoun ! Not a technician! How ever there are a few here that qualify as Techs ! 🙄

did you clean the connections to on that night switch? and the battery's?

Layers of it Joey! They had to implement this or the 10000 dollar clutch would burn up! As much as this trans works amazingly well when it screws up its pricey ! Provided all is working in harmony all is good! BUT if anything is out of tune get your wallet out ! I stopped by the shop last week the boys were doing an Mdrive clutch and front section re and re as it was to expensive for us to replace and input bearing they exchange the main box! Parts changing not mechanicing Yep ! the New Age! If you stomp to hard to fast it will likely derate on you 🙄!

EXSATLY

Layers of it Joey! They had to implement this or the 10000 dollar clutch would burn up! As much as this trans works amazingly well when it screws up its pricey ! Provided all is working in harmony all is good! BUT if anything is out of tune get your wallet out ! I stopped by the shop last week the boys were doing an Mdrive clutch and front section re and re as it was to expensive for us to replace and input bearing they exchange the main box! Parts changing not mechanicing

They offered up lots of special tools over the years most never used by me! Always had a work around for most! to this day they make the dealers buy" essential " tools many of them virtually not needed for everyday use! The first tools they sent us when the Volvo guys took over was brackets to remove the engines with! This instilled confidence that the product was going to have longevity I guess🤣 ! 🙄

Correct! its all inter connected when the Mdrive is used!