In this issue:
No interpretation from scan tools or OBD II, just data from “the horse’s mouth” on relays, switches, sensors, circuit voltage drops, etc. We’ve always recommended this before condemning an expensive part.
The causes range from internal engine problems and vacuum leaks to improper spark plug gaps. How to proceed logically.
The basic geometry is the same as it’s always been, but the means of making adjustments and recalibrations sure aren’t.
A World-Class Preservation Facility for a World-Class Marque
EVAP emissions sources are tricky to find. Here are a few tips to try before connecting that smoke machine.