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ls4hunid 2/9/2012

1992 Lexus LS400 Base 8 Cyl 4.0L


hi i have a 92 lexus Ls400, i have a loud hissing sound in the back of the motor.

wen i start the car, the car has a hard time because of the leak somewhere in the back of the motor. The car sounds like it wants to stay cranked but the hissing sound that is coming from the back of the motor isnt allowing the car to stay cranked, and wen it does stay cranked, it has a very rough idle at about 200-400 rpms and it only stays cranked for a very short time, please help me, what should i do?

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