Does anyone know if the ECU on the 1.8 k-series (120 spec) controls the spark in the engine?
A garage looking at this car has said that fuel is definately getting into the engine, but no spark and has suggested the ECU needs replacing - does anyone have any thoughts?
Additionally, does anyone have a spare one kicking around to test the theory with a view to purchase?
Surely the ECU controls the timing of the spark but the divery of the spark is via the coil pack and these are known to fail so I would hazard a guess at you needing a new coil pack(s)?
Rob i'm with Martin on this one...btw hello everyone !!!
Agree, try changing coil packs first.
Also, mk1 or mk2 ZS? IIRC the ECU and BCU are coded together, so replacing one will mean replacing both plus new key fobs... at least thats deffo true on mk2... not sure on mk1...
It's a Mk1 ZS, I've passed on the info, although testing the theory still becomes difficult in the sence that another unit either needs to be available to test with, or a new one paid for - on a theory.
Hello Alex!!Originally Posted by Alex B
Owner of a Pitch Black MG 6 GT!!!!!
MG6 GT in BTCC for 2012, 2013, 2014.....
Whoop! Whoop!!
Well hi!
Well, upon the advice given here, word was passed back to the garage for investigation.
SInce then, on an unrelated discovery (sic), it transpires that there is a cable that connects from the coil pack, down into the engine bay somewhere, which was rubbing against a pipe of some sorts. Apparently, the rubbing is such that the protective casing had worn through and in the monsoon of June 2012, water ran along the pipe and got into the exposed copper and created a short.
So, one new cable (and coil pack!) later, we have a fully operational MG ZS 120!
Thanks to those who were spot on with their suggestions
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