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  1. S

    SPEEDO CALIBRATION GUIDE FOR VT, VX, VY & VZ (INC HSV)

    Here's the contents of this thread as its quite long. I will number the sections so you don't have to read me blabbering on about stuff you already know. THIS WILL WORK ON VT, VX, VY & VZ. (HSV MODELS INC) 1.1 Scan Tool / Software (IF YOU DO HAVE A SCAN TOOL THAT SUPPORTS ALDL SKIP THIS...
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    VY V6 commodore 2.5inch exhaust o2 sensor problems

    Hey like I said my o2 sensors were completely fine before the new exhaust got put on it’s got something to do with the exhaust and it’s a cat back system so I haven’t touched the sensors or the headers or the cat so I’ve ruled all of that out as an issue ‍♂️
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    VY V6 commodore 2.5inch exhaust o2 sensor problems

    I work in a very old school workshop so I don’t think we have a smoker but I’m not gonna chase tiny little leaks because then I’ll want to fix them all I’ll get under the Ute tomorrow and spray some soapy water on the exhaust fittings and see what’s going on because I should’ve checked it when I...
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    VY V6 commodore 2.5inch exhaust o2 sensor problems

    I’ve checked for leaks it was fine when it had the stock exhaust on it o2 sensors never played up even after driving 200+ kms home after I brought it it’s just recently when I put the new exhaust on I’m thinking it might have been the ceramic coating in the exhaust or there’s just too much flow...
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    VY V6 commodore 2.5inch exhaust o2 sensor problems

    So long story short my Stock exhaust didn’t set off my o2 sensors after I put a Redback 2.5inch cat back system on it the o2 sensors went off after I cruise at 100 for about 5 minutes and then it guzzles fuel like no tomorrow. So I’m just wondering what I can do to fix the o2 sensors and no I...
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