jewels
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having trob starting A Mack, 2011 mp8 engine, we blocked off all lines to tanks, fuel seperator, and installed 2 new filters, also made sure top and bottom chk valves were working. I only guessing its the primer pump... help
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Low coolant or sending unit.
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Clutch Fan Always Engage 2007 Chn 613
jewels replied to EscambiaCounty's topic in Electrical, Electronics and Lighting
Ac fan switch. -
Speedometer / Odometer Works Sporadically
jewels replied to fulltilt22's topic in Electrical, Electronics and Lighting
Speed sensor, 9 out of 10 times....UPS mechanic -
I had the same issue w one of our macs, it drove me nuts, it was the Egr. It had a very small in crack that would only build pressure under loads, once I R/R Egr ran like a champ and never broke down again. Hope this helps, UPS mechanic.
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Thx for the help. I know this is a new Rig.will appreciate any help !
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I have a 2011 Mack cxu612 w a Mp7 engine, it has a fault code of spn 5394, dose anyone no what this is.
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