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It sounds like your belt is loose or the brushes in the alternater are worn.When you hit the gas,the belt tightens some & on a higher rev,the battery puts more fire to the alternater but weak brushes wont accept it.Good luck, Cliff,Nova Scotia Or it is as simple as a fuse getting ready to blow!!! JUST had this problem yesterday!! For a few days it would take a few seconds for the power to kick on inside after I started the car, then yesterday NOTHING!! It was one of the fuses in the fuse panel in the engine right behind the battery! 75A Autozone didn't have it have to order it! Til then I have no gauges or lights inside or out!! But the car starts! Krystena,WV

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โˆ™ 2006-08-09 14:08:09
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Q: What is wrong when your 90 240sx car start but no electrical power in the car but when you rev it couple time start to have power back?
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