Have a missfire ??? Check your ECU multiplug terminals...
Discussion
Well I'm pleased to say that so far (hope I'm not tempting fate) my miss fire seems to be cured.
As I thought, the gap between the pin terminals in the ecu multiplug housing were far too wide and thus they were not gripping the ecu terminals properly causing a random missfire.
So I bought a new multiplug, spliced the old one off and rewired the new one on.
Only slight hiccup was getting terminal 26 mixed up with 28 (I need new glasses) but once corrected it runs lovely.
What I have noticed is that it idles really smoothly now as well as running smoothly throughout the whole rev range.
So I have to thank smash as some time ago he told me that he had a conversation with an expert and a lot of missfires are attributed to either the multiplug or a wiring fault in the loom in some shape or form and not necessarily the ecu itself.
Fingers crossed.............
As I thought, the gap between the pin terminals in the ecu multiplug housing were far too wide and thus they were not gripping the ecu terminals properly causing a random missfire.
So I bought a new multiplug, spliced the old one off and rewired the new one on.
Only slight hiccup was getting terminal 26 mixed up with 28 (I need new glasses) but once corrected it runs lovely.
What I have noticed is that it idles really smoothly now as well as running smoothly throughout the whole rev range.
So I have to thank smash as some time ago he told me that he had a conversation with an expert and a lot of missfires are attributed to either the multiplug or a wiring fault in the loom in some shape or form and not necessarily the ecu itself.
Fingers crossed.............
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