Thanks ray. Would you happen to have a list of acceptable reading ranges for the different sensors. I'm really trying to nail down this mpg issue. I believe it's going to be air related or turbo. Plan on removing the horn and manifold and turbo next weekend. Will post pics. Please let readers know that map sensor cleaning or replacement is a definitely necessary on any truck that's had an egr for any amount of miles. I'm hoping to put together a checklist for late deleters to bring the truck back to life after/during the race me install.
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