I hit a BIG pothole last week and immediately had an odd constellation of problems. My ASD light came on, my tach went dead, my idle speed dropped, and on re-starting, it was like half of my glow plugs bailed out. I looked at the circuit diagram and couldn't see how the problems could possibly be related, so I did a search on this discussion board and found the problem in a couple of minutes! The OVP relay must have gotten knocked out of its seat, or a fuse got knocked out. Now I can't wait to get home to check!! Thanks for all of the generous contributors to this board.


266,000 miles - shooting for 1/2 million Kilometers

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Reid
Past ('59 220Sb, 2-'59 190's, '92 300D 2.5T)
Current
'04 E320 4Matic Wagon
'00 E320 4Matic Wagon