Q: idle control

The starter's yellow wire will need to be checked for power when you turn the key. If no power is present then you'll need to check to see if the starter relay's 40 amp power supply fuse (https://www.yourmechanic.com/services/fuse-replacement) # 10...

Hello. This is typically either an engine mount (https://www.yourmechanic.com/services/engine-mount-replacement) or a cv axle problem. Both of these will cause this. Most of the time it starts out as a motor mount issue which will end up causing a failure in...

Hi there. Check the Manifold Absolute Pressure (MAP (https://www.yourmechanic.com/services/manifold-absolute-pressure-sensor-map-sensor-replacement)) sensor voltage. Key on engine off it should be approximately 4.5 volts, idling in the 1 volt range and go over 4 volts at a snap throttle. Then, check the Throttle...

Hi there. The part number that you have is specific to your vehicle's computer system. If you are wanting to replace the computer with an aftermarket computer, you can but you will need the computer flashed (programmed) to the VIN...

Your transmission does not have anything to do with the power steering system. Either of the two would not have any cause or effect on the other. This suggests your power steering pump may be failing or you have a...

Hello, thank you for writing in. When the transmission is put into gear, the engine is demanded to work under slightly different conditions. It is these changes that are likely triggering the engine to stall. The Torque converter lock up...

Hi There, Shaking or vibration (https://www.yourmechanic.com/services/engine-is-shaking-pulsating-or-vibrating-inspection) may be caused by many different things such as faulty spark plugs, poor fuel pressure or misfires. Other things such as a faulty idle air control valve (https://www.yourmechanic.com/services/idle-control-valve-replacement) may cause the engine idle to...

Hello, thank you for writing in. It is impossible to tell what kind of repair bills you are looking at without knowing what is actually wrong. Diagnostics are going to start with checking the fuses, and finding out what those...

Hi Courtney. Thanks for writing in tonight about your Scion. Although a battery might be charged, it is possible that it has worn out and does not have enough cranking amps to activate the starter and power ignition system components...