on a lot of gm cars cylinders 1 & 4 fire off the same coil.
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∙ 16y ago4-cylinders have four spark plugs, 6-cylinders have six spark plugs, 8-cylinders have eight spark plugs, etc, etc, etc
The "V" in "V-Star" specifically means V-twin. (All these bikes are V-Twins.) This is the cylinder configuration of the engine (The cylinders form a V shape). Most models of bike whos names begin with V have engines of this type. Some have four cylinders (V-Four), others have two (V-Twin). VFR and VTR for example. Since only one spark plug is necessary per cylinder, a V-Twin (having two cylinders) only has two spark plugs. A V-Four, on the other hand, has four. Similarly, V-6 and V-8 engines have 6 and 8 cylinders / spark plugs respectively. Any engine will have the same number of spark plugs as it has cylinders.
Depends four cylinders have 4 and six cylinders have 6 is the only two motors the optima have.
One or more cylinders not producing power for lack of spark, fuel or compression.
You may have a blown head gasket. If you have a compression tester available, check compression on all four cylinders andcompare the readings. If adjacent cylinders read lower compression than the other two, it is likely the head gasket is blown.
One spark plug per cylinder. You didn't mention how many cylinders.
it depends on the number of cylinders.. if 2 cylinders it has 2 spark plugs if 4 then it has 4.
One or more cylinders not producing power for lack of spark, fuel or compression.
It depend on the Cylinders...For example, If a car has;4 cylinders it has 4 spark plugs6 cylinders it has 6 spark plugs8 cylinders it has 8 spark plugsSometimes there are 2 plugs per cylinder. Such as the Ford 2.3L 4 cyl has 8 plugs and the new gen Hemi's from Dodge have 16 plugs on a V8 engine.
The four cylinder engine is transverse, meaning sideways in the engine bay. From right to left, when standing in front of the car looking in, the cylinders are numbered four, three, two, and one. Their firing order is one, three, four, two.
Bad spark plug or plug wires. Can also be a burnt valve on those cylinders.
take the plug wire off one of the plugs leave it in the hole have somebody crank the engine listen for the spark tick should be very loud do this on all four cylinders one at a time if you have no spark on any of the cylinders it is the crank sensor