Thread: P0420 Code
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Old 05-19-2009, 06:20 AM
kll
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guys i managed to turn of MIL light.

i made a machine shop to prepare an adaptor for rear o2 sensor. i installed sensor with adaptor. adaptor is almost 4 cm long and screwed to original hole of o2 sensor. then sensor fits on the adaptor. now sensor is getting less gas flow on it, i measured readings and saw that it is around 0.4 volts when engine is idling. and changing when revving up. seems my readings are between factory specs for second sensor.(described on FSM)

we cleared code and now it is almost 800 miles after this operation, no lights :)

highly suggested simple method. better than taping the light, without any electronic overrides.

http://www.energeticforum.com/renewa...n-foulers.html

here is how they do with stock foulers. in contrast of this i did mine as a custom adaptor.

Last edited by kll; 05-19-2009 at 06:26 AM.
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