whitrzac Posted July 30, 2015 Share Posted July 30, 2015 I was going to go out for a tweak/tune session and drop off some library materials tonight, but i had my first catastrophic failure.... I flashed the car with the latest map. drove ~5 miles waiting for the car to warm up. Hit high RPM and both headlights went out. er iu on the display. Car was still running. ABS, battery light on. Pulled to the side of the road. No low beams, highs/fogs work. Car is having major 'glitches' sometimes the dash works, sometimes not. Diagnose it to my battery peaked at 17+v at higher RPM. Idle is a normal voltage, rev the car in park and it hits 16+v by 3k rpm. replaced the alternator sense fuse in engine bay. No change. Pulled alternator sense wire/plug. voltage is ~11.6 at idle, climbs to 12.2 at 3k rpm. Alternator FUBAR, or other issue? Link to comment Share on other sites More sharing options...
HLOwner Posted July 30, 2015 Share Posted July 30, 2015 Sounds like the voltage regulator took a shit. Link to comment Share on other sites More sharing options...
Max Capacity Posted July 30, 2015 Share Posted July 30, 2015 Alternator, places like Advance Auto Parts can test it. The voltage regulator is inside it, I believe. 305,600miles 5/2012 ej257 short block, 8/2011 installed VF52 turbo, @20.8psi, 280whp, 300ftlbs. (SOLD). CHECK your oil, these cars use it. Engine Build - Click Here Link to comment Share on other sites More sharing options...
FJuan Posted July 30, 2015 Share Posted July 30, 2015 ^^ This. Pull it and have a parts store test it. My wife's balls are delicious. Link to comment Share on other sites More sharing options...
whitrzac Posted July 31, 2015 Author Share Posted July 31, 2015 Alternator was fubared. Picked up one from a local shop. All ok. Link to comment Share on other sites More sharing options...
Max Capacity Posted July 31, 2015 Share Posted July 31, 2015 Your welcome. 305,600miles 5/2012 ej257 short block, 8/2011 installed VF52 turbo, @20.8psi, 280whp, 300ftlbs. (SOLD). CHECK your oil, these cars use it. Engine Build - Click Here Link to comment Share on other sites More sharing options...
FJuan Posted July 31, 2015 Share Posted July 31, 2015 My wife's balls are delicious. Link to comment Share on other sites More sharing options...
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