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Hmmm let me think a minute . . . O.K.
MR2Tim: its certain we have two different mechanical/electrical problems going on with our cars. My problem only occurs shortly after a fill-up, and only uphill. I have disconnected every EGR vacuum line, and removed the carbon canister filter. Yet I did retain the vent/vacuum connection from the gas tank to the TB. In between the TB and vent tube: there is a Vacuum switch Valve mounted on the thermostat cluster that opens when warm. That switch could be bad. I'll have to test it someday, after I get a few dozen other issues corrected.
As to the post from S. Africa you alluded to . . . let's just blame it on Dengue Fever, a strong batch of fermented Magumbo roots, quit taking his medication or something?
But about your car now . . . if its charging at 17 volts, wouldn't sensitive electronics like IC boards for the ECU, PW, AC, CC, get whacked before a sturdy set of windings on an electric pump go? I think the battery acts as a damper, or capacitor when a higher than 12V charge is sent to it. Strangely enough electrical power flows from the negative terminal out to the electrical devices in the car. Therefore charging should flow energy into the battery.
My diagnosis is your quantum flux capicitor is failing, or all the spirits of all of the (many) small animals you've shot are chasing your car around for malicious purposes. Joking.. I'm really saying I don't have a clue. Maybe replacing the FP is just the ticket?
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