Why does my Hyundai Elantra keep idling high?
I have a hyundai elantra 2001 and the rpm goes up high when I turn on the car. It also stays high while driving at some point it will go down and the car jerks into another gear…..I have replaced the throttle position sensor, input/output speed sensor, the IAC, checked the valcum holes for any leaks and I’m still having this problem.
What are the O2 sensors on Hyundai Elantra?
The oxygen sensors that are equipped in your Hyundai Elantra are responsible for monitoring the exhaust to help the ECU determine the correct air/fuel mixture. Of all the sensors equipped in your vehicle, the O2 sensors may have it the hardest. They deal with super hot exhaust that can cover them in deposits that can leave them ineffective.
How does the Hyundai Elantra fuel injector work?
Fuel Injectors Your Hyundai Elantra’s fuel injection system atomizes the fuel into a fine mist. If a fuel injector is not operating properly, it will either let too much or too little fuel into the combustion chamber relative to the amount of air.
Why does my 2001 Hyundai Elantra idle high?
My 2001 hyandai elantra idles high when started and when shifting gears.i stopped driving it becuse it tacks out so high.check engine light is on.auto zone said it was a misfire on the third cylinder but new plugs and wires didnt work. Clicking this will make more experts see the question and we will remind you when it gets answered.
Why is my Hyundai Elantra running so rough?
The heat of the exhaust can also bake the wiring going to/from them over time. If an oxygen sensor goes bad, it can make your Elantra run too lean (or rich). A super lean running engine will often idle rough.
Fuel Injectors Your Hyundai Elantra’s fuel injection system atomizes the fuel into a fine mist. If a fuel injector is not operating properly, it will either let too much or too little fuel into the combustion chamber relative to the amount of air.
Why are the spark plugs on my Hyundai Elantra not working?
Spark Plugs – One of the absolute most common causes (if not the most common reason that your Elantra may be misfiring) is the spark plugs. Although most modern vehicles use iridium spark plugs, they still need to be changed at the manufacturers recommended interval.