6 Cylinder Engine Firing Order (PDF) [V6 Explained]

To achieve the highest possible level of productivity, the cylinders may be placed in a variety of different ways. There are additional racing vehicles Like Ashok Leyland and Tata 6 that employ engines with six cylinders firing orders.

The 1-5-3-6-2-4 firing sequence indicates that the crank pins that have the pistons placed on them are spaced out evenly throughout the crankshaft at intervals of 60 degrees. Since the energy intake is produced each time the crankshaft rotates 720 degrees, this indicates that the horsepower strokes in a V6 engine are received each time the crankshaft rotates 120 degrees.

In the high-end automobile lines Honda and Audi A-8, high-power engines with several cylinders are utilized. For example, in the Honda Accord and Ford cars, the firing order of a six-cylinder engine arranged in a V-shape is used, and this kind of engine requires a certain firing sequence to function correctly and efficiently.

Firing Order for 6 Cylinder Engine 2023

  • Firing Order: 1-5-3-6-2-4
  • Firing Order: 1-4-2-6-3-5

Explanation of Engine Firing Order

The above 6-cylinder engine firing order chart and 6-cylinder engine firing order diagram fully show its functions. Many factors need a certain order for engine ignition. Because the firing order has such a direct impact on the performance of the engines, it is essential to determine the best firing order possible.

The firing sequences 1-5-3-6-2-4 and 1-4-2-6-3-5 are the ones that are utilized the most often in the 6-cylinder engine firing order Cummins. In a cycle with four strokes, a couple of the engines are left to do nothing while the other four take part in one of the power-producing movements of the cycle. To ensure that the cylinders exclusively fire throughout the firing stroke, the burning of the fuel injectors is scheduled in such a manner.

If the firing sequence is not done correctly, the engine will give up far sooner than it was anticipated to do so. An incorrect firing sequence will generate an excessive amount of heat and will result in a high amplitude of vibrations. Especially driving becomes more difficult as a result of the noise that is created by the vibrations. It is strongly suggested that an appropriate firing sequence be used to prevent issues of this kind.

Two-stroke and four-stroke cycles are both possible in engines with six cylinders. Six-cylinder engines are more powerful than four-cylinder engines and are often seen in high-performance vehicles such as sports cars and other vehicles that need more power. The most effective applications for 6-cylinder engines are found in larger-capacity automobiles, which are better capable of towing heavier payloads.

Firing Order Applies to

  • Porsche 911 GT3
  • Nissan V6
  • Cadillac CT5-V
  • Audi Q8

Torque Specifications

Fastener TypeTorque Spec
7/16 in. Outer Main Cap Bolt70 ft.-lbs.
7/16 in. Inner Main Cap Bolt75 ft.-lbs.
3/8 in. Outer Main Cap Bolt35 ft.-lbs.
11/32 in. Connecting Rod Bolt38-44 ft.-lbs.
3/8 in. Connecting Rod Bolt40-45 ft,-lbs.

Firing Order For Similar Vehicles:

  • Mercedes Benz M272-E35 1-5-3-6-2-4
  • Mitsubishi 6G7 1-5-3-6-2-4
  • Nissan VG 1-5-3-6-2-4
  • Honda C 1-5-3-6-2-4

Which cylinder is number 1 on a 6-cylinder?

Cylinder number one is often located in the most forward position on in-line four- and six-cylinder engines. V6 engine and V-8 engines. You require numbers before you can begin synchronizing the ignition. In addition to the vehicle’s emission labels, specialist service manuals, guidebooks provided by the vehicle’s manufacturer, and reliable online sources are all good places to look for these numerical values.

Know how many revolutions per minute (RPM) the motor is timed at, how many points above the top dead center range there are, and which cylinder on the engine is number one before you ever pick up a tool.

Do all inline 6 engines have the same firing order?

If the number is an inline 6, therefore the order of the numbers is usually 1-5-3-6-2-4. This ignition sequence should work for pretty much every inline six-cylinder engine made by any carmaker. It is one of the few possible layouts of an engine that maintains a consistent firing sequence at all times.

The ideal main and auxiliary balance is achieved by straight-six engines by using a firing sequence that goes 1-5-3-6-2-4. On the other hand, a firing order of 1-2-4-6-5-3 is often felt on Isuzu 6-cylinder engine cars operating at medium speeds.

Why are all 6 cylinders misfiring?

Spark plugs that are worn out are the most typical reason for a misfire inside an engine that occurs as the vehicle is speeding. When spark plugs have been worn down to the point that they are no longer effective, they are unable to ignite the gasoline that is contained inside the piston cylinder. In addition to this, the spark plugs may be fouled, the distributor cap is fractured, or the spark plug wires are faulty.

Why are inline 6 more powerful than a V6?

Because keeping all six emissions ports located on the same end of the engine allows for them to be blended in a manner that differentiates the outgoing pulses from each cylinder, which is difficult to achieve on an engine with a V6 configuration but not impossible.

The result is a heavenly soundtrack for straight-six-powered performance automobiles.  Kirloskar 6-cylinder engine-firing order cars are very reliable and fuel efficient.

How do I know if my firing order is wrong?

If the firing sequence is incorrect, the vehicle will still attempt to move, but it won’t run correctly. In most cases, you will anticipate any fuel and air combination in the fuel tank and cause a knock, but this will only last for maybe one cycle.

The improper firing sequence causes the spark to be supplied to the cylinders either in the absence of an air and fuel combination or when the mixtures are not sufficiently compressed. In the worst scenario, pressing the ignition key will not cause the engine to start.

How does the V6 Engine work?

An internal ignition engine with six cylinders is often referred to as a 6 cylinder engine. Several individual chambers or cylinders make up an engine. It is not possible to fire all of these cylinders at the same time since doing so would lead to faulty rotation, a large magnitude of oscillations, and excessive levels of heat production. To circumvent these issues, the cylinders are individually ignited.

One may be considered assuming the rounds would be fired in the sequence 1, 2, 3, etc. However, this would also lead to the production of significant amounts of heat and vibrations. As a result, an optimal firing sequence is agreed upon, which does not compromise the engine’s healthiness and functions well.

Jake Mayock