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10-01-2007, 09:43 AM
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#1 | |
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AF Newbie
 Join Date: Nov 2006
Location: Halsey, Oregon
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XFI question
I was lead to believe that the XFI used a fuel preheat system just prior to the TBI. Is that correct?
Twidget |
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10-01-2007, 08:57 PM
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#2 | |
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AF Enthusiast
Join Date: Aug 2007
Location: College Park, Maryland
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Re: XFI question
Not that I know of. The later three cylinders, like 96 and newer, had a mixture heater after the throttle body, but it only runs during the warmup cycle.
__________________
Woodie 98 Metro and 06 Aerio SX Don't waste your vote on one or the other of the Republicrats, vote for Gary Johnson and really do something for a change http://www.garyjohnson2012.com |
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10-02-2007, 02:05 AM
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#3 | |
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AF Moderator
 
Join Date: Oct 2004
Location: Bellingham, Washington
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Re: XFI question
all the metros circulate hot water from the radiator through the throttle body
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10-02-2007, 03:39 AM
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#4 | |
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AF Enthusiast
 Join Date: Apr 2005
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Re: XFI question
+1 Woodie. There is a heater plate between the throttle body and the intake manifold on obdII TBI cars. Its emission stuff. Coolant runs through the throttle body in order to prevent throttle plate binding in cold weather.
-MechanicMatt
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1996 Caprice 9c1 - Daily Driven Project Car 1993 Geo Metro - Accident 1991 Caprice 9c1 - Destroyed 
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