Chuck W

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Chuck W last won the day on May 9 2019

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About Chuck W

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  1. Yes* * The '97 LPT 850s are "M4.4" cars with the older EEC modules. A 98MY M4.4 ECU modded like above, or not, will not work. It took special coding to get things to function. Now for a HPT M4.3 car, yes, changing those bytes works. I also have a '97 T5 HPT car with an M4.4 conversion, and the "AC Mod" works just fine.
  2. Japanifold - $80 OBO R manifold - $65 OBO Angle housing - $60 OBO Prices do not include shipping and are best offer. Thanks for looking!
  3. As someone with a '97 GLT, I can say that after much help from Piet and Turboforslund, we know that the AC routines in the US '97GLT M4.4 ECU (-936) are not the same as those in the 98MY M4.4. I tried all of the above, as well as a few other things, and didn't have working AC in the car until the fix for the '97GLT was found by Piet. We've had the flashed M4.4 in the car for over a year now with no AC issues. The information gained from this has also been passed onto Aaron at VAST. Doesn't sound like it matters to the poster's situation, but it is worth noting.
  4. Look in the Diagnostics Disables. Change both banks.
  5. The wife's ECU is the std VS -607 bin that was modded for the '97 GLT(-936) AirCon controls by Piet. No mods incorporated. Just the adjustments to the fuel/ignition/turbo maps for the LPT starting point. (Copy/paste stuff from the -936 bin) My '97 T5 has the std VS -607 bin currently, with only minor boost tweaks. No other mods. Both have the changes made for running different injectors (Blues in hers, greens in mine) and the standard diagnostic disables. Been too busy with house and new baby stuff to do much more messing about at the moment.
  6. Just a quick question. Both my wife's '97 GLT and my '97 T5 are running flashed ECUs. For the most part everything is groovy, but sometimes when you go to start either car, the engine will stumble right after start and the CEL will flash. It will then clear up and act normal. 80% of the time it will fire up just fine. No DTCs are being stored, and the cars run great. Is this common, or do we have something else happening?
  7. Right, so what does this do for the P80's? Seems like a lot of extra "stuff" there.
  8. Yeah, I think there is a missing piece of the puzzle. There is no way (That I see) in the MY98 cooling fan control to change the fan speeds. A quick search online shows that there was a (PMW?) control module added to the system in '01MY, but I haven't found any reference to that being a "mod" here.
  9. Yeah, I figured out what each was for, but was confused about the difference in numbers of speeds vs thresholds/runtimes. I was also confused about the 5 different speeds part. I didn't think there was any modulation in the fan speed, just the high speed for the cooling fan (and low for the AC). Is there a fan controller on a later model that this is making use of?
  10. I guess I'm missing some part of the picture, as this is what I have. I don't see what to do with it to make changes.
  11. Is there some documentation anywhere for the fan control parameters? Are the values in the XDF "stock"?