Firing Order of six cylinder, four cylinder, and other kinds of engines: ----------------- The firing order for four cylinder engines where the cylinders are in-line is 1243 or 1342. Those are the only two possibilities I've ever found for inline four cylinder engines. In practice, it's almost always 1342, except for Ford engines which are 1243. For inline six cylinder engines, it's typical to have a firing order of 153624. Other combinations are possible. But if you get stuck, you can eliminate various combinations that it can't be. For example, with the basic four cylinder, the order has to be of the form inner cylinder, outer cylinder. That's why it can't be 1234. At some point cylinder 1 will fire, and the next one must be either 2 or 3, since it can't be 4. If the next one is 2, the one after that is 4, leaving 3 as the last. The only other order being 1 and then 3, meaning that it would then have to be 1,3,4,2. So, only two possibilities; 1243 and 1342. This is good logic, but remember that it only really applies to basic inline engines typical of the type where the crankshaft is only supported at the ends. With six cylinder engines it's a bit more complex, but 123456 is out, except for some V6 engines. In fact anything with 34 or 43 in it is out, as both middle cylinders would fire sequentially. See, engine firing order has to be arranged so it is as smooth as possible, spreading out the load. The business of load-spreading is not as simple as that, however, as there are resonance and other dynamic factors which have to be considered. Also, if the crankshaft as several bearings along its length, this improves the stress handling and makes the firing order less important relatively. A special note: "in-line" means the cylinders are all in a row. For other configurations of cylinders, for example a flat four, boxer, or V type engine, the rules are different! I am reliably informed that Porsche/VW flat 4 engines have a firing order of 1432. This can still make sense, because the engine is arranged as two pairs of opposing cylinders, so the criteria for engine load balancing are quite different. As with many things, this whole situation becomes much more complex when the field is expanded to include a wider variety of different engine configurations. V6, V8, flat 6, flat 12, delta, boxer, V at 180 degrees. In addition to the extra complexity of higher numbers of cylinders, there's also the fact that larger engine configurations have a variety of different cylinder numbering systems too! Right, so to sum it up so far: four cylinder inline engines are always 1342 or 1243. If it's Ford then it's assumed to be 1243 and if not then 1342. Flat four engines are different. Six cylinder engines have been found to sometimes be 153624, but there are other possibilities which are valid. Good sense prevailing, you can eliminate some of the possibilities. I hope some of this helps! More ODD firing order possibilities: Well what about the firing order for a three cylinder engine? It has to be 123 or 132. Those are the only possibilities. Two cylinder engines? There would only by one possibility, as the cylinders would have to fire alternately. Incidentally, a firing order MUST include all the cylinders exactly once. And, it's reasonable to number the engine cylinders from 1 to n, however many cylinders there may be, and as no cylinder may be missed out, it is usual to include cylinder 1 first. If you know of any specific exceptions to the "1 first" convention I'd be interested to know. So why not 1234 on a basic engine? Quite simply that would not be a good firing order. If you were designing an engine, there would be better choices you could make. How about five cylinder firing order? It would have to be something like 14253 or 13524. The more cylinders, the more possibilities. Plus, with different cylinder arrangements and cylinder numbering systems, a greater range of possibilities exist. If you're looking at this page trying to work out what order to put the spark plug leads back on to your engine or some similar technical problem, here are a few extra items which might help: * Engine cylinders are usually numbered from front to rear. That's "front of the engine" rather than "front of the vehicle". * On engines which have an electric spark plug ignition system with a distributor cap, you can sometimes see cylinder numbers mentioned inside/on the distributor cap. * Technical workshop manuals for the specific engine are the best source of information for finding the firing order. Also, little booklets called "driver's handbook" sometimes give the engine firing order and other data specifications. Suljer Virginia Beach, VA

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Q: What is the firing order for a 1992 Dodge Grand Caravan 3.3L?

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The firing order for a 1997 Dodge Grand Caravan 3.3L is 1-2-3-4-5-6. On the other hand, its cylinder's firing order is 1-3-5-2-4-6.

The firing order for a 2003 Dodge Grand Caravan is 1, 2, 3, 4, 5, 6. The number one cylinder is on the left side of the engine, closest to the firewall.

The firing order is 1 2 3 4 5 6 with a 3.3 or 3.0

The firing order should be 1-2-3-4-5-6.

Any auto parts store will give it to you. autozone does

The firing order of a 1997 Dodge Caravan is 1,3, 4, 2. Cylinder one is at the front of the engine.

1-2-3-4-5-6

1-2-3-4-5-6

1 2 3 4 5 6

1-2-3-4-5-6

on my 1993 caravan it tells the firing order on top of the throttle body. hope this helps.

The firing order for a 2005 Grand Caravan 3.8 is; 1 2 3 4 5 6. The spark plug gap for this vehicle is 0.048.

The firing order is 1-2-3-4-5-6. This engine uses a coil pack. Click the link to see a diagram of the connections.

The firing order should be 1-2-3-4-5-6.

Firing order is 1-2-3-4-5-6 Click the link.

1-2-3-4-5-6

1-2-3-4-5-6

1-2-3-4-5-6

1-2-3-4-5-6

1-2-3-4-5-6

Click the link for a diagram.

1-2-3-4-5-6, but the cap is not in that order.

1-2-3-4-5-6

1-2-3-4-5-6

1-2-3-4-5-6