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DFCO is triggered by specific conditions n different cars, and doesn't necessarily show on SG or UG.
My 2002 Nissan Sentra had a a primitive DFCO implementation. It had to be >2500 rpm and decelerating in gear, with the TPS at idle position. With the 6 speed transmission, DFCO didn't kick in under 70 mph in he Sentra in top gear. Worse, when it did kick in, it put the ECU in open loop for the next 4 minutes.
My 2006 Scion is a DFCOing fool by comparison. DFCO kicks in with any engine rpm >1500 when in gear with TPS at idle. That means it DFCOs at any speed >35 mph in top gear, and it goes into closed loop immediately after exiting DFCO.
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Darrell
Boycotting Exxon since 1989, BP since 2010
Have you ever noticed that anybody driving slower than you is an idiot, and anyone going faster than you is a maniac? George Carlin
Mean Green Toaster Machine
49.5 mpg avg over 53,000 miles. 176% of '08 EPA
Best flat drive 94.5 mpg for 10.1 mi
Longest tank 1033 km (642 mi) on 10.56 gal = 60.8 mpg
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