Why is my Mack E7 blowing white smoke?
Why is my Mack E7 blowing white smoke?
At work we have a 97 E7 mechanical and shes not runing too good. just sitting if you give it throtle it gets up to like 1500 rpms and starts sputering and blowing white smoke. Its got 300k or so miles on it. New pump and injectors. Could there be an adjustment on the pump or something thats out?
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.
Why does my brothers 94 E7 smoke white?
We had a problem with a 2001 E7 like barber shop said and it was the cam. But thats electronic. It smokes white pretty bad when its sputtering My brothers 94 E7 had a small hose up toward the front of the pump that had rubbed and was leaking.
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.
At work we have a 97 E7 mechanical and shes not runing too good. just sitting if you give it throtle it gets up to like 1500 rpms and starts sputering and blowing white smoke. Its got 300k or so miles on it. New pump and injectors. Could there be an adjustment on the pump or something thats out?
What’s the problem with my Mack E7 engine?
Sounds like it might be a timing issue. Is the engine fully mechanical, or an electronically controlled in-line fuel injection pump like our ’95 E7 is? 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?
We had a problem with a 2001 E7 like barber shop said and it was the cam. But thats electronic. It smokes white pretty bad when its sputtering My brothers 94 E7 had a small hose up toward the front of the pump that had rubbed and was leaking.
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.
Sounds like it might be a timing issue. Is the engine fully mechanical, or an electronically controlled in-line fuel injection pump like our ’95 E7 is? 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 a 427 CCRs engine have low power?
It is very close to the 427HP CCRS engine ( has same tourque output rating). I posted this awhile back after we bought a fleet of CH’s for resale with the 427 CCRS engine, almost every truck had a low power complaint. = Here’s a little tip for 427 CCRS engines with low power.
