Cylinder and Ignition Coils Layout Chevrolet Malibu 2.4L 2008-2012 Location

In this video, I show you the exact cylinder layout and ignition coil firing order configuration on a 2008-2012 Chevrolet Malibu equipped with the 2.4L Ecotec 4-cylinder engine.

On this inline-4 engine, the cylinder numbers and their matching ignition coils are arranged in a straight, logical row right across the top of the engine valve cover. Knowing exactly which cylinder is which will save you time and prevent guesswork when you are trying to track down a specific cylinder misfire code (like P0301, P0302, P0303, or P0304) using an OBD2 scanner.

Cylinder Numbering & Ignition Coil Layout:

When you open the hood and stand at the front bumper looking directly at the engine, the cylinders and ignition coils are numbered in order from left to right (Passenger Side to Driver Side):

• Cylinder 1 / Coil 1: Positioned on the far left (Passenger side of the vehicle, closest to the serpentine accessory belts).
• Cylinder 2 / Coil 2: Positioned second from the left.
• Cylinder 3 / Coil 3: Positioned third from the left.
• Cylinder 4 / Coil 4: Positioned on the far right (Driver side of the vehicle, closest to the transmission housing).

Firing Order: The ignition firing order for the GM 2.4L Ecotec engine is 1 – 3 – 4 – 2.

Common Symptoms of a Bad Ignition Coil or Spark Plug:

• The check engine light flashes or stays on steady, flagging specific misfire codes (P0300 through P0304)
• A rough, shaking engine idle or heavy vibrations throughout the vehicle cabin when stopped at a red light
• Engine hesitation, jerking, or a sudden loss of acceleration power under load (like when merging onto the highway)
• A noticeable drop in fuel economy as unburnt fuel passes straight into the exhaust system
• Hard starting or sputtering when trying to crank the vehicle in cold weather

Safety First

Always prioritize safety before performing any electrical or ignition system diagnostic. Make sure the vehicle is safely parked on a flat, level surface, the emergency brake is securely engaged, and the engine is completely turned off with the keys removed from the ignition. Allow the engine compartment plenty of time to cool down fully to avoid painful burns from hot valve cover or exhaust surfaces. Turn the ignition off to ensure no high-voltage electrical current is present in the coil packs while you are disconnecting or removing them. Protect your eyes and hands by wearing safety glasses and clean work gloves, and maintain your full focus throughout the task.

Need Help? Ask an Expert

I am an experienced mechanic, and I am here to help you guide your vehicle projects to a successful finish. If you hit a snag trying to swap coil packs to see if your misfire code moves to a different cylinder, have trouble popping out the gray plastic locking clips on the wiring harness connectors without breaking them, or want the exact torque specs for the small coil retention bolts, leave a message in the comments below. Let me know what you are running into, and I will help you solve your car’s problem!