Why is my Hyundai Elantra misfiring?

Why is my Hyundai Elantra misfiring?

Common reasons for this to happen: Faulty spark plugs or wires. Faulty ignition coil. Broken piston rings.

What causes random misfire codes?

4 Possible Reasons Your Car Is Throwing Misfire Codes

  • Dirty or Old Spark Plugs. If your engine is misfiring, you may be able to fix the problem easily by replacing your spark plugs.
  • Leaky Head Gasket Problems. Your car’s head gasket has a very important job.
  • Clogged Fuel Injectors.
  • Recurrent ECM Issues.

What is the code for engine misfire?

When the check engine light illuminates, your car’s primary computer, which is often referred to as the powertrain control module (PCM), will store a diagnostic trouble code (DTC) in its memory. Codes P0300 to P0312 are the primary DTCs associated with an engine misfire.

What is the spark plug gap on a 2017 Hyundai Elantra?

$6.48

Engine Per Vehicle Fit Notes
2017 Hyundai Elantra equipped with 2.0L L4 Gas DOHC 4 Champion Iridium Plug Type RER8ZWYPB4 Gap .044

What is the firing order on a 2017 Hyundai Elantra?

1-3-4-2 is accurate. But, that has nothing to do with swapping coils. You still have 1-2-3-4 cylinders in order, and so if you thought you were swapping 1 with 2, you were actually swapping 1 with 4.

Will a bad o2 sensor cause a misfire code?

If an oxygen sensor or mass airflow sensor is failing, it could give incorrect data to your engine’s computer, causing the misfire. When a vacuum line is broken, it can cause a fuel-injected motor to misfire.

What is the OBDII trouble code for Hyundai Elantra?

Hyundai Elantra P0301: Misfire Detected – Cylinder 1 November 12, 2018 by Jason P0301 is a common OBDII trouble code that appears in the Hyundai Elantra.

What happens if you misfire a Hyundai Elantra?

The P0301 Hyundai trouble code will trigger the Elantra’s service engine soon light. The vehicle itself may begin to run rough. It depends on how serious the misfire is. The vehicle may produce excess vibration, especially at lower RPM. Fuel mileage will suffer.

Why does my Elantra throw the p0301 code?

Vacuum leak – If your Elantra has a vacuum leak, it can be very difficult for it to get the right air/fuel mixture. This will cause the cylinders to misfire and it’ll throw the P0301 if the leak is around that specific cylinder on the intake manifold.

What causes Hyundai Elantra service engine soon light on?

The P0301 Hyundai trouble code will trigger the Elantra’s service engine soon light. The vehicle itself may begin to run rough. It depends on how serious the misfire is.