Each month in Diagnose This! we present a real-life service scenario with clues as to what the ultimate diagnosis was. If you think you know the answer, be the first to e-mail [email protected] with the correct response for free Truck Parts & Service merchandise. The answer will be revealed in a future issue of the magazine.
Vehicle: 2006 Freightliner M2
Key components: Caterpillar C7 engine, Allison WTECIII transmission
Scenario: While making local deliveries, this vehicle suddenly has a flashing “Check Engine” light.
Clues:
The lamp remains flashing. Why?
Past Puzzlers
Also this month, we reveal answers for the past few months of Diagnose This!
