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Old October 31st 04, 01:23 AM
Matt Whiting
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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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