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1st post hey? Well maybe navigate around the site and get familiar with it. Plus also, before posting a new thread, make sure you use the search function. Its getting so boring and repetitive to read people who are new, posting threads which have been answered 101 times. If you don't believe me on the number of threads about this already, then click my link below. I answered another thread already with many many many posts on this topic.
So, note to yourself "search first" post second;
https://forums.justcommodores.com.au/threads/powertrain-warning-light.150345/post-1674878
Get it scanned or buy one off eBay combined with an app. “DashCommand” is a good one.has happened to my vz commodore, 2005 sv6 with an alloytec 190, check powertrain light came up, all ive done is replace the air filter with a k&n one, but i dont think thats doing it, i cleaned the maf sensor and that didnt make a difference. disconnected the battery to clear the code, and it came back, any ideas?