1987 NA Fc rich in gear.
So i've got an odd one here, after coming to a stop with the clutch down and still in gear my NA S4 start to idle very rich 10-11afr on my gauge but as soon as I pull it out of gear it returns to a steady 13afr idle.
Any ideas? |
I think that should be pretty normal? Fuel map is designed that way possibly.
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Thats would you would think yeah, but it richens up to 12.0 on my afr gauge just sitting in 1st gear with the clutch down not moving until I pop it into neutral.
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I think Mazda use a sort of anti stall feature, when they are not in neutral, the ECM changes things, I wonder if the timing advances, and the AFR changes?
My 93 B2200, when it had the stock 2.2L EFI engine, would bump the RPM by 100-200RPM when I put it in gear, with the clutch pedal down, as soon as its back in neutral, back to idle RPM. The RX-7 would have the same sort of programming I bet. |
theres no switches in the transmission except the 5th gear switch which makes the computer lean the mixture while cruising
least thats all that I know of |
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