Question about Hyundai Motor 1999 Elantra
Idle Air Control Valve (clean it out with carb cleaner). Or Spark Plug Wires. Ignition Coil. Heat may be breaking a connection in ignition system/wires. Hence, the cool down period.
I would check in the above order. You should get a scan tool to make sure MAF/TP sensor are giving good readings as well. This will affect your idle. The MAF/TP could be telling the engine to dump in too much gas at idle.
Posted on May 16, 2010
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Posted on Jan 02, 2017
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