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OK, the code was a o2 sensor, so I looked under the truck and sure enough the o2 sensor had come unplugged. I plugged it back but now how do I reset the codes? I unplugged the battery for ~1 hour and the CEL did not come on right away but then about 1/4 mile down the road it came on again. <img src="/forums/images/graemlins/frown.gif" alt="" />

Driving to autozone every time this CEL comes on while trying to fix the problem would get annoying. Is there a way to flash the codes on the dash without a $$$ code reader? Thx!


Unfortunately, no, there's no way to read the codes without a code reader really.

Sounds to me like you might want to look into replacing the o2 sensor.

Richard <img src="/forums/images/graemlins/patriot.gif" alt="" />

Had an 89 Isuzu Pickup
Had a 94 Mitsubishi Eclipse
84 Honda XL185S
Had an 89 Isuzu Trooper w/ 3.4 V6
01 Toyota Tundra SR5 V8 4Door Access Cab
http://community.webshots.com/user/rsayloriii