XPost: alt.home.repair   
   From: Paul@Houston.Texas   
      
   Ken Blake wrote:   
    > I have a Mitsubishi Lancer 2003 which has low idle speed.   
    > So low that it stalls unless I keep the gas on the peddle.   
    > What causes that?   
    > And more important, how can I adjust it?   
      
   It could be due to a bad or clogged sensor:   
   MAF, TPS, IAC, IAT, MAT, O2.  My guess is TPS or IAC.   
      
   You can clean the MAF, IAT, and possibly the IAC.   
   You can check the ohms of most of them.   
   Most of the sensors run at 5 volts due to using TTL circuits.   
   You can check voltages of many of them at KOEO (key on, engine off).   
   The O2 should be between 0.1 and 1.0 volts depending on temp.   
      
   > Where do I get more information specific to the vehicle?   
      
   This shows some data... don't know where to get the manual.   
   https://www.evolutionm.net/forums/lancer-how-requests-questions-   
   ips/465622-intake-air-temp-sensor.html   
   https://www.evolutionm.net/forums/general-engine-management-tuni   
   g-forum/472030-proper-ohms-tps.html   
   and pictures:   
   https://www.ebay.com/b/Air-Intake-Fuel-Sensors-for-2003-Mitsubis   
   i-Lancer/33557/bn_87603784   
      
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