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OB mechanics, 4x4 help needed
Posted on 9/29/13 at 7:53 pm
Posted on 9/29/13 at 7:53 pm
I have a '98 chevy that came with a 305 which I later had the dealership change out to a 350 then set the computer for 350. '98 305 has three O-2 sensors and the 350 has four so my computer isn't receiving a reading from the fourth sensor and gives the infamous check engine light preventing me from getting an inspection sticker. I know all the tricks for getting a tag but I want to get this fixed so it's legit. TIA
5
Posted on 9/29/13 at 7:55 pm to 007mag
Not sure if possible? 2 pre and 2 post catalytic converter correct? If so it's about that not the engine.
Posted on 9/29/13 at 8:04 pm to 007mag
Go to a junkyard and get a computer from a 350 truck.
Posted on 9/29/13 at 8:34 pm to 007mag
So are you saying the computer is expecting input from a fourth sensor, but there is no place to wire it in?? If this is not the case I don't see a computer can give an error code for a sensor it doesn't know exists.
Posted on 9/29/13 at 9:04 pm to 007mag
I honestly would go to the dealer and get their opinion on a solution. If they swapped the engine, they should have done the flash over program on the existing computer to prevent the issue.
Posted on 9/29/13 at 9:30 pm to 007mag
Put the check engine light on a toggle switch. Aint a 4x4 without at least one toggle!
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