09-13-2012, 04:03 AM
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#3 |
 Toyota Racing Development Join Date: Apr 2007
Posts: 5,038
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Sounds more like a charging system problem. Might just need to install new brushes in the alternator. Check and see if the RPM drop occurs when you operate other circuits (ie. headlights, hazards, heater). The fuel pressure VSV is VERY important and should be fixed as soon as possible but it's not the source of these symptoms.
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