off the top of my head....
bad fuel, or bad install. Typically what I see on a semi-regular basis, is improper installation. The sensor is best installed with an anti-seize compound on the threads. Its common to buy an O2 sensor and find the compound already lightly applied to the threads with a protective cap over it. If ANY of that compound gets on the sensor dome it will contaminate it and cause pre-mature failure/inaccurate responses.
__________________
-- Chris
Founder/Administrator SVX World Network
ECU Tune (stage 1), PWR (prototype aluminum radiator)
Amateur Radio - General Class - K7SVX
#1 92 Teal LSl 246k (Dedicated SVX Race Car, now with 4.44 speed)
#2 92 Teal LSl 125k (Retired, car rescued from a field of weeds)
2007 Impreza 2.5i Special Edition, Obsidian Black Pearl (Daily driver)
2001 Dodge Ram 2500 quad cab, Cummins turbo diesel 4x4 (race car & RV hauler)
1985 Honda VF500 Interceptor (fair weather fun commuter)
Going on 11 years of NHRA bracket racing
NHRA Div 6 Car/Driver # T654 (site being rebuilt, new name is www.teamsvxracing.com)
2000 1st Place Club Challenge Series
2002 3rd Place Season Track Champion, Import Racing (Firebird Raceway)
2003 4th Place Season Track Champion, Import Racing (Firebird Raceway)
2003 1st Place NW Regional Import Shootout (July 5th)
2004 1st Place Club Challenge #1 (Firebird Raceway)
2004 1st Place NHRA "King of the Track" race
2004 NHRA Gold Cup 2nd place season win
2004 Import/Sport Compact 3rd place season win
2004 Division 6 Summit/ET NHRA Race of Champions finalist competitor (Mission, BC)
2007 1st Place Import Survival #3
2007 1st Place Track Champion Import Summer Jam (Wild Street Class)
2007 1st Place Import Survival #5
2008 Club season 1st place win, Club Champion
2008 2nd Place Season Import Final.
2008 Division 6 Summit/ET NHRA Import Finals (Woodburn, Or)
2009 2nd Place Import Summer Jam (Wild Street Class)
2010 1st Place Club race #2 - 1st place Sport Compact race #1 & #2
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