Quote:
Originally Posted by BioPOWER
I have the exact same problem in my '99 E300, CEL stays on and GP light comes back on after going off. You can check for blown glowplugs at the relay next to the washer bottle in the driver's side engine compartment. Unplug the large harness that carries power to each plug, check each of the 6 connectors with an ohmmeter against a ground such as the intake. Resistance for good GPs should be ~6 ohms.
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Same problem here.
Do you check the resistance on the pins of the relay? If so, and you get a bad reading, on one of the pins, how do you know which glow plug is attached to which pin?
WC