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Bill wrote:
> "Daniel J. Stern" > wrote in message > n.umich.edu... > >>On Sat, 30 Oct 2004, Bill 2 wrote: >> >> >>>>>So I talked to a guy that does the technician training for Chrysler >>>>>(yes >>>>>I'm sure he doesn't do the Ford training) and he was quite insistent >>>>>that there was a clear flood mode on Chryslers. Where did you get the >>>>>idea that Chryslers didn't have a clear flood mode? >>>> >>>>Oh, y'know, just ownership of six fuel-injected Chrysler products made >>>>between '89 and '97, *none* of which had a "clear-flood" mode. >>> >>>Did one include a 95 Neon? >> >>A '97. >> >> > > > Sorry, Dan. You are wrong on this one. All Power module/Logic module, SMEC, > SBEC 1, 2 2A, 2B, SBEC3, 3A, and 3+'s and FCC controllers have all had clear > food modes. That list covers all FWD vehicles from 83 1/2 through 2001 and > RWD vehicles 88 through 95. In 96 all the RWD product got JTEC (Jeep/Truck > Engine Controller) controllers and the JTEC and JTEC+'s also have a clear > flood mode, it just works a little different form the others. The JTEC's and > SBEC's are being replaced by NGC (Next Generation Controller) 1, 2 and 3's. > I haven't looked at those closely, but I bet they have it in some form, > probably the JTEC version. > > SBEC/FCC/Power Module - Logic Module version of clear flood works like this: > open the throttle and then crank the engine. When the throttle is opened > with the key on, engine off ; the PCM zeros the pulse width until the RPM > breaks the start to run transfer RPM (about 400 - 450 RPM). If the engine > isn't flooded, then this action will cause a no start condition. > > JTEC has 2 pulse widths, cranking pulsewidth and run pulsewidth. To activate > the clear flood mode on these, you must start cranking the engine and then > open the throttle to wide open. If the PCM sees the RPM input from the crank > sensor and then it sees the TPS go to WOT and the crank RPM doesn't get to > the start to run transfer RPM, then the cranking pulsewidth will start > retreating towards 0 mS. This JTEC mode is extremely hard to demonstrate, > but is much more realistic in the way it works. > > Bill Sprague, Chrysler technician 1986-1996, Chrysler Technical Trainer > 1996-2002 > > Bill, why did you give up on Chrysler in '02? Matt |
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