Why Is My Hyundai Idling High? A faulty or blown fuse in other electronically controlled systems can cause the Idle Air Control (IAC) motor to malfunction, leading to a higher than normal engine idle speed. … Malfunctioning Throttle: A malfunctioning throttle system can cause both a high or low idle as well as an engine
Why Does My Dodge Neon Idle Rough? While there are a variety of reasons your Dodge Neon has a rough idle, the most common 3 are a vacuum leak, an issue with the spark plugs, or a problem with the ignition coil. What sensors can cause rough idle? Oxygen (O2) sensor An oxygen sensor monitors
What Causes Rough Idle And Hesitation? What causes rough idle and hesitation? Causes of a rough idle. Many different problems could result in a rough idle for your car or truck, including: dirty fuel injectors, clogged air filters, bad spark plugs, and a variety of exhaust system issues. What causes rough idle and slow acceleration?