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#2004 MAZDA 6 NUMBER OF CYLINDERS 6 HOW TO#
#2004 MAZDA 6 NUMBER OF CYLINDERS 6 CRACKED#
#2004 MAZDA 6 NUMBER OF CYLINDERS 6 CODE#

#2004 MAZDA 6 NUMBER OF CYLINDERS 6 HOW TO#

There are links above that’ll show you how to do that. It’s an easy, and cheap method of determining if your ignition components have gone bad.Īfter that you would want to test the fuel injection system. Go ahead and replace them or have them tested. If you get a different P030X code, you’ll know that one of those three components is bad. You can always reset the trouble codes and swap the coil pack, wire, and plug from cylinder 3 to another. Inspect and test the parts of the ignition system around the cylinder to determine whether or not you need to replace the coil packs, plugs, or wires. If you follow the items listed above you should be able to fix the P0303. You should also feel the vehicle is down on power as well. that would cause compression to not be as high as it should, you’re going to get P0303.

#2004 MAZDA 6 NUMBER OF CYLINDERS 6 CRACKED#

Low Compression– If you have a leaking head gasket, bent valve, cracked head, etc.

If the ECU is not getting the right signal from these sensors, the vehicles timing is not going to sync up and it’ll misfire.

Cam or Crank Sensors– This one is very unlikely, but it does happen.

Popular Mechanics: How to find a vacuum leak. It’s easy (and kind of fun) to chase one down. This will cause the cylinders to misfire and it’ll throw the P0303 if the leak is around that specific cylinder on the intake manifold.

Vacuum leak– If your 6 has a vacuum leak, it can be very difficult for it to get the right air/fuel mixture.

This is definitely not the place to start.

Here’s a good video on how to diagnose an injector, it can be a little tricky. Bad Fuel Injector– If you have a fuel injector that has gone bad, it won’t be able to properly atomize the fuel and you’ll get the P0303.Coil Packs– Coil packs rarely go bad, but when they do, they can certainly cause P0303 in your Mazda 6.Here’s how to tell if your plug wires are bad (video). Spark Plug Wires– On most modern engines, the plug wires are not nearly as long as they once were, but they can still go bad.Here’s a great video on how to see if a spark plug is bad. That being said, the plugs are a great place to start. Most vehicles now come with iridium plugs that need changed very infrequently. Take a look at the electrodes and see if they are in good shape.

Bad Spark Plugs– Spark plugs are one of the most common causes of P0303.

They are presented somewhat in order from most to least likely to be causing the code: Here are the most common problems that will throw the code.

#2004 MAZDA 6 NUMBER OF CYLINDERS 6 CODE#

There are quite a few things that can cause the P0303 trouble code to trigger the Mazda 6.

You may smell raw gas coming from the tailpipe.

Fuel mileage will suffer (often not drastically).

The vehicle may produce excess vibration, especially at lower RPM.

It depends on how serious the misfire is, and how many cylinders the engine has.

The vehicle itself may begin to run rough.

The P0303 trouble code will trigger the 6’s service engine soon light.

An important thing to understand when finding the location of cylinder 3 is that it’s going to be the 3’rd cylinder in the firing order of the vehicle, and not the 3’rd cylinder that you might see when looking at the engine. P0303 is a cylinder specific misfire code, which means that Cylinder 3 is misfiring and causing the code. Mileage may suffer as well when your 6 has P0303. The engine is also not firing all of the fuel, so raw fuel is also passing through cylinder 3 into the exhaust. Driving with a misfire can damage the vehicle’s catalytic converter. Unlike a lot of the OBDII codes, this code has to do directly with engine combustion. These particular codes indicate that there is a misfire in one of the other cylinder’s as well.įixing P0303 should be considered a high priority. It will often be accompanied by codes P0301, P0302, etc…. The nice thing about P0303 is that it’s a cylinder specific trouble code, which makes diagnosing the problems simpler than P0300, which means that the cylinders are randomly misfiring. P0303 should not be ignored, and can be a threat to the drivability the Mazda 6. P0303 is a relatively common Mazda 6 trouble code.