ricericebaby Posted September 10, 2007 Share Posted September 10, 2007 Hi everyone, I've got a 92 Ls400 with an unusual problem. It seems that sometimes when I have my AC on, the electronic fans don't come on and the engine temperature goes above the normal two increments on the temp gauge. At that time, the engine responds by losing power. When I turn the AC off, the engine comes back to life. I'm hoping someone has encountered a similar problem. Thanks in advance for all your help. Hao Quote Link to comment Share on other sites More sharing options...
pishta Posted September 11, 2007 Share Posted September 11, 2007 Hi everyone,I've got a 92 Ls400 with an unusual problem. It seems that sometimes when I have my AC on, the electronic fans don't come on and the engine temperature goes above the normal two increments on the temp gauge. At that time, the engine responds by losing power. When I turn the AC off, the engine comes back to life. I'm hoping someone has encountered a similar problem. Thanks in advance for all your help. Hao A/C always siphons power off the motor, it takes a certain amount of HP to turn the compressor. I had a 80's Rabbit diesel and the A/C would drop my top speed to 55 MPH! The ECU should raise the idle slightly when the A/C comes on and the fans should come on when the temp rises, I would suspect the fan relay or a sensor somewhere, sorry for the vague answer. Quote Link to comment Share on other sites More sharing options...
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