Quote:
Originally Posted by rusty_g80
When my pump went bad it threw no code. At least I couldn't get it with BT scanner and the dealer did not mention anything when they scanned the car about a month after I replaced the pump. Head gasket is a costly fix unless you do it yourself, so I would run all test possible before doing a head gasket replacement.
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I think you're right on this one. Just went to the track and ran the heater full blast. It took much longer to overheat. Before I do anything though I really need to make sure. The BT tool can tell my current water pump electrical load and rpm. Now all I need to know is what it should be at on the track. Running the heater in Monterey in the winter works out ok. Not so much at Thunder Hill in the summer.