Yesterday the glow plug light on the 2.5 Turbo started coming on after the car had started. My wife let the glow plugs warm up, as usual, (the glow plug light was out) and after it started, the glow plug light came on and remained on on for a couple of minutes. It has done this on every start since. The car continues to start with no problems at all, just that the light will not come on during the warm up period and then comes on after the engine starts. Does this sound like a glow plug gone bad or is it something to do with the glow plug relay?

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Bob Morrison
92 300D 2.5 -197000 Miles
87 300D-170000 Miles The Californian
87 Volvo240DL-200000+MilesGrandson's Now