ECM-26B0 Injector Power Signal too high

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ECM-26B0 Injector Power Signal too high

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Apr 21st, 2017, 13:18	#1
Joe H Senior Member Last Online: Apr 10th, 2024 10:42 Join Date: Dec 2002 Location: London	ECM-26B0 Injector Power Signal too high Guys - I need some help in fault finding this problem on cyl 5. The previous owner had a misfire ( 2006 XC70 D5 185 ). The dealer spent some time investigating; cleaned the injector, checked connections, finally thought the ECM was faulty. The PO got an ECM cloned and fitted and it made no difference. I have changed the injector itself and done a leakback test which is OK, so is fuel correction. No other codes in VIDA and it passed the MOT emissions with no problem. The misfire seems to be there only when cold, seems fine when hot. There IS a problem with the DPF clogging but that may be caused by this problem, not the other way around? The swirl mechanism was broken so I have replaced that and cleaned the EGR. VIDA only says possible source is 'Internal fault in ECM' but as I say the clone is the same. Where do I go next? Cheers Joe

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