Quote:
Originally Posted by roosterk0031
Took about 30 miles this morning to throw a CEL, P0171, LTFT seems to have stabilized at 28-29, but when stopping or coasting it drops to 2-3. A/F doesn't seem to change ever so going to investigate that a little more this weekend.
With E10 the HP went negative when DFCO, doesn't go negative with E55. Did a 3rd gear pull uphill, saw 102 hp at 4,000 rpm (55 mph) before shifting to 5th. HP is pretty slow to update so really the same as E10. Need at steeper hill or more weight in the car to make the pull take longer.
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The hp being "measured" is simply calculating based on the weight of the vehicle and the rate of acceleration. Go down the hill next time and you'll gain 20 or 30 hp.
My point is the hp you are reporting is just a number that is only comparable to your car under those same conditions.
Im curious how this all works out for you. Im not at all familiar with efi live.