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M-Class (W166) Produced 2012-2015

misfire

     
Old Jan 16, 2020 | 12:37 PM
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2012 ml350 2015 e400 cab
Angry misfire
2012 ml350 gas. dead misfire cyl 2. p0302 and p0202. someone mentioned a bad splice in injector harness. anyone know where it is? also what is resistance range of injectors and which pins on ecm control them?
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Old Jan 26, 2020 | 12:23 PM
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2012 ml350 2015 e400 cab
Originally Posted by yugonj
2012 ml350 gas. dead misfire cyl 2. p0302 and p0202. someone mentioned a bad splice in injector harness. anyone know where it is? also what is resistance range of injectors and which pins on ecm control them?
indy says oil in wiring harness
showed me pins in ecm that had brown tint but didnt feel oily
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Old Jan 26, 2020 | 02:56 PM
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Hmmm, haven't seen that often on the W166 platform. Which V6 gas engine do you have, the M272 or M276?
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Old Jan 26, 2020 | 04:49 PM
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2012 ml350 2015 e400 cab
276
i sent it to a mb shop to have injector checked. he dropped bomb of harness, pcm, and more
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