Quote:
Originally Posted by sixto
Does your glow relay have an external temp sensor? If so the sensor or wiring might be bad. My guess is the temp sensor is on the water pump housing.
Sixto
87 300D
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I unplugged the coolant sensor, and the glow plug light stays on for the entire cycle and the car starts perfectly (just glowing for 5-10 seconds). Plug the coolant sensor back in, and the rough starting becomes an issue again. With the sensor unplugged, is it running the glow plugs all the time? or just the full cycle? A new relay is probably needed because I do not have to expertise to repair the one on the car. Any thoughts?