Car Repair World

Saturn 2.2 L Idles rough acts like its going to die Ive changed the spark plugs, coils, checked fuel filter, change the idle air control valve. Any suggestions what it could be Im only getting random misfire code 0300.. Suggestions To Try: I would be suspicious of the module as well. What you can do is pull that whole assemble. Have somebody crank the engine over while you check for spark at each post. If there is no spark out of two of the posts than the module is bad. I had a like condition on my 2001 Saturn L200 2.2 (over 200,000 miles) I replaced the module that is located in the upper cover on the valve cover located on the driver side. Before replacing check the connection at the module and check the connections at the PCM. PCM located on the passenger side below the cover at the bottom of the windshield. Car Repair World Troubleshoot All types Of Car Problem With proper Solutions http://carrepairworld.blogspot.com/2015/03/how-to-repair-car-problem.html   Kn...

Idle Air Control Motor IAC Replacement Car Idle Motor Replacing Procedure Helpful Information The idle air control motor or idle speed control motor is designed to adjust the air flow into the intake manifold at engine idle. Engine idle speed is monitored by the PCM which commands the idle air control motor to close or open to achieve the desired rpm. The air bypass port in the throttle body is used to feed the idle speed control motor. When an idle air control motor malfunctions it can cause the engine either to idle too high or too low, or stall the engine all together. This condition will usually illuminates the check engine or service engine soon light. After the job is complete and the engine has been started, it can take some time before the idle air control can recalibrate itself, engine stalling, high and low idle are normal until a few run cycles are completed. Occasionally is it necessary to hold the throttle open long enough for the computer to take over control of...

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...

Idle Air Control Valve Working Of  IAC Valve Helpful Information When an idle air control valve fails it can cause the engine to idle erratically and even stall. Sometimes a weak idle air control motor will can cause engine problems without triggering a MIL (check engine) light. Inspect vacuum lines when servicing the idle air control valve and replace any that are broken or dilapidated. Step by step explanation on how an automotive idle air control valve works. Though various manufacturer's create different styles of valve, the concept is the same. Step 1  - The idle air control valve is located on the throttle bore (in most cases) and is designed to adjust engine air intake at idle which controls the engine idle speed. The PCM receives feedback data from various sensors to send output signals designed to adjust the air passage open or closed which adjusts the engine idle speed. At engine speeds above idle, the valve is not used and does not effect the engine. E...