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Old 08-14-2012, 08:21 PM
RuthlessPerform RuthlessPerform is offline
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Join Date: Aug 2012
Location: Fall River, MA
Posts: 3
Default XFI: Grand National, won't restart after reaching operating temp

Installed a FAST XFI 2.0 with all updates into a 1986 Buick Grand National using Casper Electronics's Wiring Adapter. Car runs great, was very simple to tune, I couldn't be more pleased with this product. Only problem is once it reached normal operating temperature and you turn it off it will not restart. Seems to be running way too RICH, as garage smells like unburnt fuel after I try to restart it a few times.

Obviously I tried to correct the problem in the CRANKING FUEL Table, but with no success. I attempted to take -25% out of entire table, all this did was cause hesitation in cold start temps. Tried all variations between -5% to -25% with no success.

I must be missing something obvious, like an un-checked box somewhere or something simple. Car runs perfect, acceleration is perfect, cruising perfect, under BOOST perfect and deceleration, also perfect. You would figure this to be the simplest part of the tuning, but I just can't get it to start. But once it cools off, car starts right back up, when fully warmed up, car runs perfect and has never stalled once.

Tried calling Kevin at FAST Tech Support, as I heard he has an XFI in a GN, but couldn't reach him. Any help would be appreciated.

Thank You in advance.

Last edited by RuthlessPerform; 08-14-2012 at 11:18 PM.
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