- 0
2008 MRU-612 with MP7 engine - no start
-
Recently Browsing 0 members
- No registered users viewing this page.
BigMackTrucks.com is a support forum for antique, classic and modern Mack Trucks! The forum is owned and maintained by Watt's Truck Center, Inc. an independent, full service Mack dealer. The forums are not affiliated with Mack Trucks, Inc.
Thank you for your support!
Question
JOHNNYT
HELLO CURRENTLY WORKING ON A 2008 MRU-612 WITH A MP7 ENGINE. WAS FIRST TOWED HERE FOR A NO START , TECH INITALLY DIAGNOSED LOW FUEL PRESSURE, AND IN NEED OF A REGEN. TECH PRIMED FUEL SYSTEM AND PREFORMED A REGEN,
ALL GOOD ROADTESTED TRUCK NUMEROUS TIMES ALL GOOD AFTER ATTEMTING TO DELIVER TRUCK TO MUNINCIPALITY WAS DYING WHILE DRIVING AND EXTENSIVE CRANKING TO GET STARTED. HAD TOWED BACK FINALLY.
TECH DIAGNOSED DID FUEL TEST WITH CLEAR FUEL LINES AND FOUND SUPPLY TO HEAD GOOD BUT AIR RETURNING OUT OF HEAD, SO WE RESEALED ALL INJECTORS . OK NOW RUNS LIKE A CHAMP!
HOWEVER! AFTER DRIVING FOR AN HOUR AND A HALF FOUND THE EGR VALVE LEAKING OIL? SELL CUCTOMER NEW VALVE AND LINE , REASSEMBLE WITH NEW EGR AN LINE ,ROADTEST AND THE NEW EGR VALVE IS LEAKING AS WELL!
PLEASE ADVISE ! JT THANK YOU GUYS!
Link to comment
https://www.bigmacktrucks.com/topic/60886-2008-mru-612-with-mp7-engine-no-start/Share on other sites
0 answers to this question
Recommended Posts
Join the conversation
You can post now and register later. If you have an account, sign in now to post with your account.