R45 1.4 (K) non start, weird behaviour and fault codes. by Duncan

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Not a 75 I know but some people have 45s too. I had a call tonight from someone trying to fix a 45 that won't start. It seems in a bad way. It turns over but theres no spark and random behaviour from the injectors, including apparently one that opens like a tap. The under bonnet fusebox seems suspect, but replacements don't seem to have helped, and there's been some wiring damage. The obvious things have been checked, including having the engine ECU (Engine Control Unit) sent away and being returned as OK. The guy doesn't have a T4 (Testbook version 4.Computer Diagnostic System) and is getting odd codes, including one that he says is destructive battery, though I suspect he means defective. I may go round with my T4 if I get time, but in the meantime has anyone heard of something like this? Is the under bonnet fusebox the same as for a 75 except the fuse values? Even trying to check out voltages on the fusebox pins gives completely mad results apparently.

Posted 05 Feb 2015, 18:34 #1