Kinda strange, states that there's a problem with the sixth cylinder, but I don't know if its a plug or coilpack... And how perform I number out which the sixth cylinder is? The auto is misfiring once I drive, and getting annoying. Many thanks for any ideas!

Edit.. Need to note the automobile is a grand touring and also has a little bit over 50k miles.

You are watching: 2008 mazda cx-9 firing order

EDIT #2: Okay, so based upon some information from here, ns ordered a new coil pack and also spark plug.... Simply a matter of figuring out which one is #6 in my engine just now... Thanks for any kind of input!


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level 1
· 8y
When it is blinking it is an active misfire.

Check the spark plug obviously, and probably swap coilpack v #5 or #2. After ~ that, check compression ~ above cyl 6.

You have actually MZI 3.7L engine (Ford Duratec 37 Cyclone)http://en.wikipedia.org/wiki/Ford_Cyclone_engine

It must be the bottom layout in this picture: http://www.ricksfreeautorepairadvice.com/wp-content/uploads/2009/09/Ford-3_0.jpg

(So prior driver's side)

This is from different Duratec, yet should it is in same... Http://www.newcougar.org/forums/attachments/2-5l-duratec-performance/22969d1139961584-firing-order-spark-firing-order.jpg


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Op · 8y

How perform I "check compression"?


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level 1
· 8y
Okay so what sexandliquor said around misfiring is right.

But the thing to keep in mind is that a blinking CEL specifically indicates a catalyst-damaging misfire. The is, one severe enough to damage your catalytic converter even after a brief time. Usually "get this shit fixed quick or have fun paying much more for a cat come smog time cause yours is gonna it is in busted"


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level 2
· 8y

Yeah I more than likely should have detailed that blinking CEL for misfire is normally a pretty bad energetic misfire together opposed to random misfire. Together in "pull the fuck over right now" bad.

The truth that OP seems to indicate that they have been driving favor this because that a while and also only find it "annoying" and not serious, comes to me.


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level 2
· 8y
If there are jerky and also sudden changes in the speed output the the Crankshaft Sensor, the Misfire Monitor starts to count the RPM boost (or lack thereof) added by each cylinder. If the varies beyond 2 percent, the monitor will collection a P0306 code and also illuminate the check Engine Light. If over there is an ext than a 10 percent variance, the examine Engine Light will certainly blink or pulse in a secure manner to indicate that a harmful Catalytic Converter misfire is occurring.

I can argue the it is just catalytic damaging if the trouble is NOT related to fuel injector in one cylinder (ie. Poor spark or no detonation). In a V6, you can have one dead injector and also have a blinking CEL and also it will not damage the catalytic converter. Or possibly a poor crank sensor depending on how the ECU sends fuel pulses and/or mechanical distributor, can not it is in catalytic damaging, yet will it is in flashing.


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level 1
· 8y
been misfiring? like for how long? and now its flashing!?! and you room still driving it??


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Op · 8y

Didn't establish what the misfire meant... Thought it was poor gas, until I acquired the CEL. I have actually it parked in the garage now, and it will continue to be there till I gain the parts I need.


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level 1
· 8y · edited 8y

Blinking check engine light normally always method a misfire (which you found out).

Your automobile has spark plugs and ignition coils. Have your spark plugs and coil packs ever been changed? you may too price out or call roughly for prices to change all the spark plugs and also coils. If you have actually a misfire ~ above cylinder 6 it can be the plug or coil, yet usually once one plug or coil beginning failing they every aren't too far behind.

You might go with the trouble of swapping the plug & coil from an additional cylinder and seeing i beg your pardon is the problem, yet if i were friend i'd just replace them all, due to the fact that you can just replace the cylinder 6 plug or coil and also then a month or two later on the cylinder 2 coil or plug start failing and also so on and so forth.

EDIT over there looks to be some info here http://www.mazdas247.com/forum/showthread.php?123773226-How-to-get-to-the-spark-plugs

Cylinder 6 seems to it is in on the prior bank, not certain which side.


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level 2
· 8y

If it's a duratec it should be the ideal bank, farthest back..since the engine is usually set up turned 90 degrees to the left, it'd it is in on the vehicle drivers side front.


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level 1
· 8y

how countless miles top top this also?


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Op · 8y

50k.


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level 1
· 8y
Since you have actually a duratec v 50k, your misfire can also be led to by a vacuum leak in the infamous intake plenum. All those gaskets have to be changed around every 50-60k, it's not blindingly an overwhelming but it can be quite intimidating if you've never ever done automobile stuff before.

Since you have to really it is in doing all of your plugs at the same time, and you have to take off at least the UIM to gain to the firewall next plugs and also wires (and the fuel rail) you may as well change out the gaskets.

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