A check engine light and poor performance are worrisome signs. But code P0505 points to a straightforward issue – an idle control system malfunction. This impacts engine RPMs at idle, causing a rough run. While frustrating, P0505 is an accessible DIY fix for many vehicles including many Honda, Nissan, and Dodge models.
Locate the OBD-II connector, usually located under the dashboard, near the driver’s side. Insert a jumper wire or paperclip into the two pins of the OBD-II connector. Turn the ignition key to the ON position without starting the engine. Observe the check engine light, which will start flashing.
The Check Engine light can be reset and shut off manually, but it’s important to address the underlying issue that triggered the light. Driving with the check engine light on Whether you can (or should) drive with the Check Engine light on largely depends on the severity of the issue at hand.
Download Article. 1. Test your spark plugs wires. These wires carry high voltage so exercise extreme caution when handling them. Insert a spark plug tester into the plug boot (end of the wire) and ground it on a piece of clean, unpainted metal on the engine. [2] Have someone crank the engine and watch for a spark.
Bad Spark Plugs. Spark plugs that are worn-out or contaminated can cause a misfire that’s severe enough to cause the check engine light to flash. Parts Cost: $10 - $20. Buy from. Labor Cost: $60 - $150. Learn More About Bad Spark Plugs.
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avanza check engine light on
