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Cylinder not firing

Number 1 and 2 not firing but al the other ones are

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Please give me the bike details but it sound like an ECU problem or burned coil .

Posted on Nov 21, 2013

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2 Answers

Number 1 cylinder not firing. why not?


Space bar broken?

Can only be a few things.

incorrectly gapped spark plug.
faulty or worn out plug.
broken or damaged ignition lead
worn out distributer cap
bad coil pack

Listed in likely order which is also lowest to highest cost.

First though, try this. In pitch darkness, run the vehicle, Look around the ignition and see if you see arcing sparks to the number 1 cylinder. Have seen that before with a faulty lead and with a faulty spark plug cap.

Dec 10, 2015 | Vehicle Parts & Accessories

1 Answer

Need the firing order on a 700 xj "85" yamaha


The coils are set up as follows
Left coil, Orange lead wire: Cylinders 1&4(outside cylinders)
Right coil, Gray lead wire: Cylinders 2&3 (inside cylinders)

The firing order is 1-2-4-3. Number 1 cylinder is the left hand one as you sit on the bike, number 4 the right. HTH

Sep 07, 2015 | Yamaha Motorcycles

2 Answers

Firing order and cylinder number one location for 1967 Porsche 912


Here is a link to diagram and it answers your other question and much more. Select Number 5 Cylinder Definition. Firing order is 1,4,3,2. Cylinder 1 is front right side. 912 Ignition

Apr 02, 2015 | Porsche Cars & Trucks

2 Answers

I have 351 motor and have tdc but the rotor is pointing toward #8 is that right?


Depends.
If you have tdc on the number one cylinder, and it is tdc on the compression stroke, then the rotor should be close to cyl one.
A four cycle engine has four up and down strokes, compression, power, exhaust, and so on.
Depending on the make model and year, the firing order could be 1-3-7-2-6-5-4-8 which would mean the timing chain or the distributor is one cylinder too far advanced if it is pointing to number 8.

Mar 29, 2015 | Cars & Trucks

2 Answers

Firing order diagram ford taurus v6 3.06 6 cylinder engine, and which one is the number 1


FIRING ORDER IS 1 4 2 5 3 6. STANDING IN FRONT OF CAR ON PASSENGER SIDE FIRST CYLINDER FRONT IS 1 2 3 ON DRIVER SIDE FIRST CYLINDER FACING YOU ARE 4 5 6 SEE 1 CYLINDER FACING YOU ON PASSENGER SIDE.GET A PIECE OF PAPER WRITE NUMBER ON TOP ACROSS LARGE NUMBERS 3 2 1 AND BOTTOM OF PAPER WRITE NUMBERS 4 6 5 THATS COILS WIRES FIRING ORDER TO SPARK PLUGS.

Sep 26, 2010 | 2000 Ford Taurus

1 Answer

Firing order. took the spark plug cables off and don`t know where they go back


First,look at the coils see if the towers are numbered.Each coil fires 2 cylinders!
look on intake manifold for fireing order display! The v6 engine fires from one bank across to the other in a straight line example,cylinders 1&2 3&4 and 5&6 at the rear of the engine or farthest right side. 1&2 left side faceing engine 3&4 in the middle. All you need to do is find cylinder # 1 hook up the # 1 wire to the # 1 coil tower to the # 1 plug or cylinder,follow the fireing order 123456,its simple if you cant see coil tower numbers look at another car with same engine that has distributor less ignition.The coil pack for the 4 cylinder gm has plug wire terminals or towers numbered as well.Only in a harder place to see like behind and underneath!

Sep 08, 2010 | Buick Skylark Cars & Trucks

2 Answers

I took of*** my spark plug wires working on my small block 350 pickup and I don't remember the the firing order to put the new wires back on. Is there a diagram anywhere or is it even that difficult to...


Next time number each lead before you remove it and no. the dissy cap as well

The firing order, which should be cast into the intake manifold, for the chevy small block V8 is 1-8-4-3-6-5-7-2. The firing order is the numerical sequence in which the spark plugs are fired. The insertion position of each spark plug wire around the circumference of the distributor cap can be found according to a clock face. The insertion sequence determines the firing order. The firing order is followed clockwise around the distributor cap starting from the 6:30 position with the 6:30 position being the number one cylinder spark plug wire.
On classic chevy small block engines that use ignition breaker points instead of electronic ignitions, the number one cylinder is the one immediately clockwise of the small metal sash cover on the distributor cap. The firing order starts here. There is no sash cover on the distributor cap for GM HEI electronic ignitions, and the firing order is the same, but starting at the 5:30 position.
The firing order makes sense if you know how the cylinders are numbered. The number one cylinder is the front most on the drivers side and 2 being the front most on the passenger side. From front to back, the cylinders are odd numbered on the drivers side, and even numbered on the passenger side.
See the diagram; Click to open a printable larger image in a new window. The firing order starts with the number one cylinder. We would connect the number one spark plug wire to the distributor cap terminal in the 6:30 position. distributor.pngSince the next cylinder in the firing order is 8 (passenger side rear), we connect the number 8 spark plug wire to the next distributor cap terminal (approximately 7:30 position) in the clockwise direction from number one. You need to be sure you continue the firing order in the clockwise direction around the chevy small block distributor cap from the last installed spark plug wire. Setting the rest of the firing order is just a matter of repetition. Be sure to count the spark plugs from front to back on each side of the motor to identify the correct cylinder number in the firing order.

Jun 21, 2010 | Cars & Trucks

1 Answer

Firing order


These things operate on what is known as a wasted spark system. There are two coils each one has two spark plug leads coming from it. One of the coils fires cylinders number 2 and 3 the other one fires cylinders number 1 and 4 . Each coil fires both leads at the same time. Hence one of the sparks is wasted each time. If you could see the pistons going up and down in the bores you would notice that numbers 1 and 4 go up and down together and that numbers 2 and 3 go up and down together. When 1 and 4 are at the top. 2 and 3 are at the bottom. and vicea versa . If number 1 is on the firing stroke number 4 will be on the exhaust stroke. Also the same for number 3 (firing) number 4 (exhaust) Thats not exactly what you asked i know. But i think it will help you to understand how the plugs fire on most Japanese across the frame 4 cylinder motors.

Apr 01, 2010 | 1988 Honda CBR 400

2 Answers

Need firing order and, I need to know what side the number one piston is on?


To avoid confusion, remove and tag the spark plug wires one at a time, for replacement.

The 3.5L (VIN H) engine's unique ignition system has the ignition coils directly over each plug. No spark plug wires are used.
If a coil is replaced on any of the 3.1L, 3.4L or 3.8L engines, it may not be numbered, as is the factory coil. For this reason it is imperative that you label all wires before disconnecting any of them. Also, before removal, compare the current wiring with the accompanying illustrations. If the current wiring does not match, make notes in your guide to reflect how your engine is wired.

f6067f3.jpg

Fig. 3.1L (VIN M) engine Firing order: 1-2-3-4-5-6 Distributorless Ignition System

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Fig. 3.4L (VIN X) engine Firing order: 1-2-3-4-5-6 Distributorless Ignition System

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Fig. 3.4L (VIN E) engine Firing order: 1-2-3-4-5-6 Distributorless Ignition System

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Fig. 3.5L (VIN H) engine Firing order: 1-2-3-4-5-6 Distributorless Ignition System

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Fig. 3.8L (VIN 1) engine Firing order: 1-6-5-4-3-2 Distributorless Ignition System

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Fig. 3.8L (VIN K) engine Firing order: 1-6-5-4-3-2 Distributorless Ignition System

The firing order for the 3.1L VIN M, 3.4L VIN E, 3.4L VIN X and 3.5L VIN H engines is 1-2-3-4-5-6. The right bank cylinders are on the cowl side (rear) of the engine compartment and are numbered 1,3,5, left bank cylinders on the front side of the vehicle, are numbered 2,4,6.
The firing order for the 3.8L VIN K and 3.8L VIN 1 engines is 1-6-5-4-3-2. Starting at the front of the engine, cylinders in the left bank are numbered 1,3,5 and cylinders in the right bank are numbered 2,4,6

Hope helped (remember rated this help) Good luck.


Oct 19, 2009 | Pontiac Grand Prix Cars & Trucks

5 Answers

Where's the number one cylinder on a ford f-150 truck?


Select your Engine for Ford Pick-Ups/Expedition/Navigator 1997-2000...

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Ford 4.2L Engine Firing order: 1-4-2-5-3-6 Distributorless ignition system

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Ford 4.6L Engine Firing order: 1-3-7-2-6-5-4-8 Distributorless ignition system

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Ford 5.4L Engine Firing order: 1-3-7-2-6-5-4-8 Distributorless ignition system (one coil on each cylinder)

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Ford 5.8L Engine Firing order: 1-3-7-2-6-5-4-8 Distributor rotation: Counterclockwise

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Ford 6.8L Engine Firing order: 1-6-5-10-2-7-3-8-4-9 Distributorless ignition system (one coil on each cylinder)

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7.3L Diesel engine injection order: 1-2-7-3-4-5-6-8

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Ford 7.5L Engine Firing order: 1-5-4-2-6-3-7-8 Distributor rotation: Counterclockwise


I hope help you (remember rated this help) good luck.

Sep 14, 2009 | 2000 Ford F150 Flareside SuperCab

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