D,
Clean it first. Remove carefully, watch the wires inside. You'll need a security wrench(ALLEN wrench with a hole in the middle of it) to get it off. Put some 90% denatured alchol (not 70% -- too much oil) in a good strong baggie and swish is around for a couple of minutes. Let it dry completely and reinstall. They don't go bad often so it might just be dirty (especially if you run an oiled air filter).
Good luck,
Bob
2001 GMC 2500HD D/A, CC/SB,<br />Olympic White, *Manik SS brush guard and nerfs, *Hella driving lamps, Velvet rides, *HD Air Lifts and Compressor, *Snugtop bed cover, *Linex, *Yakima rails on cover (mt.bikes), *Amsoil 2 stage airfilter. *Pioneer XM Radio. *SUBSTANTIALLY upgraded speakers,<br />Amp and Sub. *One piece drive shaft. *Mag-Hytec diff.cover, <br />*43 gal across the bed aux.tank (American Tank), *Lucerix pwr / heated mirrors, *Allison deep pan and transyd, *Street Pilot III GPS. *Suburban-type lighted <br />double sun visors, homelink system,steering wheel stereo controls, *Kennedy
once again....it has go to dealer...i'll find out friday what happens.....any ideas on what may have caused this....just had tranny replace in spring....so there is only like 12 or 14,000 on it....????any help would be appreciated....thanks Dieselpage....
<br />* 2002 Ext. Cab Short Box 2500HD<br />* Duramax Diesel<br />* Allison Transmission<br />* Graphite Bucket Seats<br />* Heavy Duty Trailering<br />* G 80 Locking Differential<br />* Roof Marker Lamps<br />* Westin Nerf Bars<br />* Chevy Rubber Spalsh Guards<br />* ARE Topper<br />* Curt Gooseneck Hitch<br />* Drawtite Digital Brake Controller<br />* Autocommand Remote Starter<br />* Fedral Signal Remote Corner Strobes<br />* 55w Halogen Spot Back Up Lamps<br />* XM Satelite radio<br />* Firestone air rides<br /> <br />Pictures <a href=\"http://www.picturetrail.com/dmaxster&\" target=\"_blank\">pics[http://www.picturetrail.com/dmaxster]pics</a>4x4 and strobes<br />
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all I have to say....is >>>>>>Thanks dieselpage...... [img]tongue.gif[/img] stealer wanted to have 150 bucks for this sensor... [img]redface.gif[/img] [img]redface.gif[/img] I told them there nuts....they told me....had to be replaced...i told them after I said....i will clean it....they said that doesn't work...well Monday Morning...I am calling to tell them...it works...LMAO...at parts guy.... 
