Recent content by DraftDay

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    The "Sooty" MAP Sensor: Why your L5P is losing power and MPG.

    I’m glad you posted this! I was about to take my truck to the dealer because it felt 'sluggish' towing my 30ft camper. After seeing your post, I pulled the sensor—at only 35k miles, it was already starting to crust over. It's crazy that GM doesn't mention this. I’ve now added 'MAP cleaning' to...
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