Low idle with cold engine was created by Rob Hello, The car in question: Mitsubishi Mirage/Colt GLXi M/T miles/km. And its green.
Now just a rough idle. After I replaced the PVC & grommet, the car starts OK. When its warm outside and the engine is cold, the car starts and runs fine.
failure is an inoperative or stuck closed idle air control valve (IACV). what it should be at idle, this could explain the runs-well-when-cold.
My air conditioner is not cold enough at idle sitting at Dear Bill, Let me explain in layman's terms how the air conditioning (AC) system works.
Visit me at: dads-space.com Before posting questions about Not a car guy and you helped me fix my '95 civic with cold start idle.
Now my car drives quieter but the idle is high. around to on cold start and drops to rpm. How can I reduce the idle to the factory.