George, The tach output to the MSD has been scoped and looks fine, The other sensors are MAP, WTS, AIT, TPS. The TPS sensor is only there for the accelerator pump because i am running this system by Map. Water sensor is only active when cold to enrich and also when running hot to enrich. AIT makes minor adjustments but nothing that would throw the A/F ratios, Duty cycles, and pulse width around so much. I am really stuck on this one!
Toby
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