Rotten egg smell
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Joined: Nov 2017
Posts: 239
It looks like someone hacked out the O2 sensors and cats. Not a big deal if a speed density tune was properly done, but I'll bet a six pack that's not the case 
Your truck will just stay in open loop forever and run off the VE tables in the ECU. Is your CEL disabled too?
Your truck will just stay in open loop forever and run off the VE tables in the ECU. Is your CEL disabled too?I think maybe I should go to junkyard and pull jimmy or blazer complete exhaust system with wiring and O2 sensor then fit it on my car.
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