July 1: So it begins. Don't worry, this is not in the correct legal jurisdiction!

Trouble Shooting

Improper combustion and/or faulty emission levels may be caused by any or all of the following:

EGR system components inoperative or malfunctioning.
EGR exhaust ports restricted or blocked.
EGR vacuum hoses disconnected, crimped or improperly routed.
Leaks in exhaust system decreasing back pressure.