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- Tue Sep 03, 2013 11:03 pm
- Forum: Trinity GM Gas
- Topic: Emissions
- Replies: 10
- Views: 6622
Re: Emissions
question I am currently running a cel and have emissions test coming up. I have the 93 tune on a stage 2 pcm. If I clear the codes and take it for testing right after will it read not ready and fail me or does you tune force it to read ready? because last emissions test I cleared the codes right ...