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Old 02-26-2019, 02:29 PM
Tloftis Tloftis is offline
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Join Date: Aug 2017
Location: Knoxville tn
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Default Short and long term are -100 on both?

1997 Mazda B4000 4x4 4.0 engine. I have only once code and it is the dtfe. I have already replaced this and the mil light went out and has not been back on. I may be looking at old codes. I am using a Snap on Modis with 9.4 software. and........... I am a rookie diy guy.

Why would the trims be so high on both? 02 sensors are on zero.

THE CATALYTIC CONVERTER HAS BEEN REPLACED WITH A STRAIGHT PIPE AND A BUNG WELDED TO PUT THE 02 SENSOR BACK WHERE IT WAS
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