Question about 2003 Mitsubishi Eclipse Coupe

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Power loss,motor is boging @ 4000 rpm and above

I have a 2003 mitsubishi eclipse i had a $6000 stereo system put in my car and it is so powerful it shut my engine off when the bass hit one time the car started back fine but when i got it up to 4000 or 4200 rpm the motor is putting out the power but not on the ground it fights to build power and rpm's it sounds like something is restricted makes either a hissing sound rubbing or like a sucking sound under the hood it dosent do it under 4000 or when the motor is cold when its hot is when it does it the motor does not make any sounds ideling or revving up its not the transmission or the clutch i was woundering if a vacuum line is collapsing or if it may be the in fuel injecters one other thing i noticed i had the hood open and my friend turned on the ignition it makes a wierd sound around the intake please tell me you have the fix the motor will bog down a little when this happens i hope you can help me if you need any more information please feal free to contact me at my e-mail address RANDALLHOGG31@hotmail.com thanks for your help

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Again,
You need to replace your alternator with one that has a higher amp output rating,And maybe add an additional battery to compensate for the increase draw on the electrical system.

Please take time to rate this fixya solution.

Posted on Jan 23, 2009

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First you need a High Output Alternator and an Optima Battery Wired up as Extra Power to Supply the System. The System is Robbing too much power from the Battery to Run the Engine Components.

Posted on Jan 22, 2009

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Please take time to rate this fixya solution.

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