Pump disabled. Problem seems to be solved. So far. Thought it is a cool, rainy day here, which may affect operation.

I’d buy you a beer if the replacement pump wasn’t so expensive!!

Final question, are we sure this diagnoses the pump and not another circuit somewhere else? I am leery of ‘ye old timee’ computer controlling things.

Also, you seem to be one of the few to diagnose this properly. I think we need to get the word out.

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David
1986 300E Anthracite + ECodes + MB Mileage Award