Quote:
Originally Posted by cadman50
My question is this: If it's an electric pump, could it be a loose wire connection to the pump? How do you know that the pump is bad without physically taking it out?
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The Pump is not just a motor with 2 wires. It has controller and connected over BSD network to DME. If DME detects any electrical malfunction than error code recorded. It can not detect mechanical problem though. If pump stops pumping due to mechanical problem, ECU will never know that.