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What is your question?
D code is cylinder 1 &2 miss fire? what does it mean
2 Replies
YOUR IGNITION COILS ARE NO GOOD CYLINDER 1 AND 2 ARE IN REAR OF ENGINE INTAKE MOST LIKELY MUST COME OFF.BRING TO REPAIR SHOP BAD COILS CAN RUIN THE CONVERTER THAT WOULD BE A FLASHING CODE.
You will have to remove the intake manifold in order to get to the #1 & #2 ignitor coils which fires your spark plugs because the coils are bad. If you go to an Auto Zone parts store they can do an OBD II scan and tell you if the coils are bad. But you can get a better price by going online and ordering the coils. I just replaced my #4 & #5 coils but they were in the front of the engine where yours are in the back of the engine and the coils were about $52.00 each. Also make sure you order an Intake gasket kit. But you have to have some kind of mechanical abilities in order to do this and make sure you mark and number every part and wire you take apart. Basically make yourself a wiring diagram so you will know where everything goes when you are reinstalling your parts. If you are somewhat mechanically inclined you can do this job in one day. Just make sure you mark everything you do and replace all the gaskets, it is not necessary to replace the lower monifold gaskets, only the upper gaskets but you should buy a Mazda Tribute / Ford Escape manuel, cost about $24.95 and they are basically the same vehicles so you will know the proper torck sequence and you do not need a torck wrench because the intake manifold is measured at 10 inche pounds, not foot pounds. Try and find someone who has worked on cars before to assist you, unless you have worked on cars before. Also clean all parts before reinstalling them, EGR, Carborater, TPS, Evap solonoid etc. etc. In fact, since you are going to be there, I would suggest that you replace all six spark plugs and coat each plug threads lightly with an antisieze lubricant, but be very careful when reinstalling the plugs because you have aluminum heads and if you cross thread the spark plug threads you are screwed, just hand tighten them first. Make sure you use a spark plug socket that has foam inside it, they are made just for replacing sparkplugs and use a spark plug dielectric grease on every plug boot. That is where the coil connects to the sparkplugs. It is not a hard job to do, just choose a warm day. You can do it.... Bo