andrew strasfogel wrote:
I thought the dash light not extinguishing after a glow cycle meant a bad GP relay, and failure to light at all meant a burnt-out glow plug fuse. How does light diagnose a problem with the glow plugs themselves?
The dash light is NOT a diagnostic, but only a warning that diagnosis is needed. Most diesel (except "S" class diesels and some '90s "E" class diesels) do NOT flash the dash light after the engine starts as a warning signal. The only signal that MOST 123/201 give is the dash lamp NOT illuminating or going out VERY quickly even in cold weather.
The dash lamp tells you NOTHING except that SOMETHING is wrong and diagnosis is required!
Marshall -- Marshall Booth Ph.D. Ass't Prof. (ret.) Univ of Pittsburgh School of Medicine [EMAIL PROTECTED]
