Car Repair World

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...

Stalls at Idle Vehicle starts stalling at idle Helpful Information A poor running engine is more apt to stall until the issue is resolved.  Learn more Easy step by step guide on how to repair an automotive engine that stalls at idle, this information is presented in order of popularity and pertains to most vehicles. Difficulty Scale: 4 of 10 Begin with the vehicle on level ground engine off (cold) with the emergency brake set. The "check engine" warning lamp is warning the driver there is a problem which could pertain to the engine stalling at idle.  Learn more Check Engine Light MIL Step 1  - When a vacuum hose breaks or cracks it can fall off causing the engine to lose vacuum and stall at idle. Vacuum hoses are meant to transfer engine vacuum to various accessories such as a brake power booster.   Learn more Broken Vacuum Line Step 2  - If an air intake boot becomes torn or disconnected it will cause the engine to stall at idle...