TwinTurbo.NET: Nissan 300ZX forum - Power dropping when lights on and brake pressed
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Subject Power dropping when lights on and brake pressed
Posted by rudeboi805 on August 23, 2017 at 4:22 AM
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Message So I have been having idle problems when driving at night with lights on. Voltage sits around 13.5 when driving, but when I get to a stop light and hit the brakes, voltage starts bouncing around to ~12.8 up to 13.3. Lights dim obviously and the RPMs bounce around with voltage. I've had some wiring shorts repaired, but I haven't been able to figure this one out. Anyone have this type of ridiculous problem? Any ideas where to start?

I have cleaned the MAF, replaced Temp sensor, replaced fuel lines that are easily accessible. Plugs are also pretty new (less than 2 years). And I don't drive the car so much anymore because its a pain to drive at night. The minute I get this fixed, I'm driving it all night long just to feel normal again.

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