W169 motor change- problems with misfire

Joined
Oct 4, 2020
Messages
12
Reaction score
4
Your Mercedes
A150-2008
Hi there
A150 with 1,5 94 /2007 - engine seized and I bought a new (old) m266.920

Engine is installed and fires right up and smooth idling! However when applying some load/ rpm cylinder 2 and 3 «flutters» and quits...
Diagnostic says misfire on 2 and 3 changed coils, new spark plugs, plug wires..
the new eninge is equipped with the ecu that was originally with the old motor - however the «cable harness» is the original that came with the new engine...
we have tried to clear fault codes, but still same symptoms- any ideas?? warmly welcome
 

mioba

Senior Member
Joined
Feb 19, 2006
Messages
7,998
Reaction score
4,746
Location
Nottingham and Köln
Your Mercedes
W124/E200, W220/S320CDI, W205/C200, W251/R350CDI 4Matic
check your fuel lines to said cylinders
 

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