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#1
02-12-2007, 01:27 PM
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0147, time to change 02 sensor(s)?
I get this code sometimes after the blazer's been idling for a minute or so. Is it a good idea to change these now? i know the code means check it out, but i acquired my blazer in june and i haven't changed them nor do i know how long the current ones been in. vehicle is at 146.5k.
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1998 Chevrolet Blazer LT (95% stock)  Pioneer AVH-P7500 DVD receiver 12" Alpine Type-R in a sealed box PIAA Super Plasmas GT-X bulbs PIAA Xtreme White bulbs K & N drop-in filter   "Melo" and "AI". Enough said.
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#2
02-12-2007, 10:34 PM
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Re: 0147, time to change 02 sensor(s)?
P0147 indicates there is a malfunction in the heater circuit in the O2 sensor after the catalytic converter. That DTC means there is a problem in the circuit, not necessarily the sensor itself. It's always best to check and verify what the problem is before throwing parts at it. It might be just a poor connection or a broken wire.
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