Engine runs fine; but I need practice on tweaking the injection while the test is going on.
I went back to the stock GBS Emissions map today and applied minimal changes - only changing the injection corrections table to enable easy starting - by default the engine gets extra juice for 5 turns - upping this to 50 turns and increasing the initial injection produces a first time start every time.
I went through the IACV mapping again and then just tweaked the injection (keys 2-3) during tickover while watching my narrowband Lambda output.
I had turned on the automatic advance in idle control, this seemed to fight with the lambda sensor when it was set on closed loop; indeed the lambda sensor seemed also to react too slowly and cause an uneven tick-over - only self adjusting the injection every second or so & then to its extreme +-10%. After a lot of trying different lambda options I decided to leave it on open loop and disable the automatic advance too.
Status:
I know I can achieve a stable tick-over at varying injection adjustments,
I know this adjustment takes me either side of 14.7Lambda using my narrowband,
but still no way to actually measure the output and check it is within regulation - I need to either find a local garage or run it at the IVA station!
Updated the ECU page with findings.
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