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87 octane
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  1. Gas/Electric/Hybrid/Powertrain | V6, V8, W12, FSI
    Yesterday I purchased an 04 touareg v8. I put in a 1/4 tank worth of 87 octane. Maybe 15 miles down the road the exhaust light came on and stayed on. I'm thinking the two may be related, 87 octane and the light. I'm hoping that's what it is. Thoughts?
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