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Problem with EA7 470 CCRS Motor in 2004 Mack Qantum


Mack Gazza
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Looking for some ideas on a problem l have with a EA7 470 CCRS Motor in my 2004 Mack Qantum . All of a sudden fully loaded doing 95 kms/hr started missing and losing power,  so stopped to check out for obvious problems around the truck and nothing seemingly wrong, turned engine off  and restarted and ran fine on idle but as soon as power was applied back to missing again. 

Have had the truck in being sorted but cannot find a problem, have cracked injectors while running and all run rough once cracked so cannot identify a particular cylinder, power source to ECU is ok, cam angle sensor been checked and ECU connections gone over.

Has any of you guys out there had this in this engine before or have experienced this in the workshop? Looking forward to any hints or answers to get back on the road again 

GAZZA.

 

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  • 1 year later...
On 6/3/2021 at 3:45 AM, Mack Gazza said:

Was the gear on the fuel pump spinning thanks Jamkar and ended up a relatively inexpensive fix.

 

Thanks for the great advice.

Good on you thanks for posting the fix!

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