Car Repair World

Idle Control Valve Replacement Safety Tip: Always wear safety glasses when working on your vehicle. Wear other personal protective equipment (PPE) when necessary, for example latex gloves or closed toe shoes. 1 Refer to your vehicle's owner's manual for the specific location of your OBDI or OBDII connection. 2 Turn your key to the ON position so that the scanner can receive the code(s). 3 Plug your scan tool into the OBD connection, turn on the scan tool and select the appropriate steps to read the code. 4 Refer to a vehicle specific repair guide for resistance specifications for your engines idle control valve. If the resistance is out of specifications, the TPS must be replaced. 5 Locate the idle control valve. 6 Disconnect the idle control valve from its mounting point and wiring harness. 7 Install a new idle control valve along with a new gasket. Clean the mounting surfaces of the old gasket prior to installation. 8 Erase...

Idling High or Low Car Engine Idle Issues Helpful Information Intermitted sensor failure or shorting can cause the computer to act strange with unusual side effects, these problems are particularly tough to diagnose. The computer program is designed to trigger a MIL (check engine - service engine soon) only when a long term failure has occurred. In these cases there are many approaches that can used, the most professional method involves using a computer scanner that will monitor and record the data stream which then can be monitored for unusual patterns in various sensors or connections. An alternative method of troubleshooting involves a one at a time, replace all critical sensors approach which can reveal the failed sensor i.e: crankshaft, camshaft and throttle position sensors along with coolant temperature and oxygen sensors which are prone to this type of sensor failure. Step by step automotive repair guide on how to troubleshoot and fix an engine that is idling hig...