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Old 06-04-2010, 11:22 AM   #5 (permalink)
cfguy2000
imported Appalachian
 
Join Date: Jan 2010
Location: Asheville, NC
Posts: 70

Yoda - '97 Toyota Corolla Base
90 day: 30.51 mpg (US)

She-Ra - '03 Honda Accord EX
90 day: 22.91 mpg (US)

Thor - '04 Toyota 4Runner SR5
90 day: 18.26 mpg (US)
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ScanGauge displays 9999 Fuel cutoff while accelerating

2002 Nissan Xterra, V6 3.0, 5 speed manual

During my summer roadtrip I noticed that sometimes the ScanGauge would display 9999 mpg indicating fuel cutoff. The problem is, I was going uphill with the gas pedal pressed.

In regards to your issue:
1) Check the "LP" gauge on your ScanGauge: It needs to be in CLOSED mode
2) Check the "TPS" gauge: On some cars TPS needs to be 0 when the gas pedal is not pressed
3) In an automatic you might need to be going a certain speed before it will allow fuel cutoff

I hope this helps
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