Closed engine fault vauxhall vectra kf02 hsu
steven mark fidoe
posted on Tuesday 4 March 2014
expired on Saturday 3 May 2014
NG17, Kirkby-in-Ashfield, Nottinghamshire
ecu be checked and /or repaired .engine running rough. previously had new 02 sensor.read codes, all codes clear and do not return. unable to continue ecu communication with engine running. oscilloscope check 02 sensor,interference type patten coming from ecu,blocking output from sensor. check wiring on return path to ecu-ok. check maf signal-low output from maf. suspect engine ecu has internal damage causing all symptoms and faults. suggest ecu be checked ans/ or repaired.
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