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When I start airconditioner in my Mitsubishi lancer 1999 model car, it slows the speed and affecting like a catching. What is the reason? How can I clear it?
Re: When I start airconditioner in my Mitsubishi lancer...
I would get the engine checked.Not the air/con.The air/con takes about 2 horsepower so if your motor has a big drop in power when you turn it on.Check the motor tune.Hope this helps
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I have a Mitsubishi lancer also and I found out after a discussion with the dealer service manager that a similar problem comes from warped front disc rotors. I noticed that there was a slight pulsing of the brake pedal at low speeds but the brakes worked as they should. I went to a brake specialist where I get all my clutch and brake parts and he informed that the genuine rotors are made of inferior metal and warp early in the service life. As they are not covered by warranty I bought after market discs of good quality and the problem went. What I am trying to say is that your low mileage problem is about the same as when mine started. If the disc rotors are warped then at speed the continuous touching of the pads will produce a vibration affect at high speed as at lower speed the vibration will be barely noticeable. Take the car to a reputable brake specialist and have him test the discs as to running true and are not warped.
Possible that the engine needs a full retuning of the fuel and Ignition timing with a check on the auto RPM advance when the AC is turned on.
If it possible that when the AC load comes on to the engine the IDLING speed is not changed and so it flutters to stop. The auto advance- vacuum - mut be checked.
The "blower motor resister" that slow the motor down to the slower speeds is broken or burnt out. The motor is running at it's default setting of full speed. The resister is usually located on the blower motor housing so it gets lots of air moving over it (it gets hot). It is held on by two or three screws and when you take it out you will see several different sized coils (one for each speed). Hard to get to easy to replace.
The Mitsubishi Mirage is a subcompact car produced by Mitsubishi Motors from 1978 to 2002. It was also sold as the Mitsubishi Colt or Lancer.
The following wiring diagram and electrical circuit/schematics manual provide detail information about the electrical system description, illustration and troubleshooting of Mitsubishi Mirage 1999 models: Mitsubishi Wiring Diagram
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