1994 Nissan Maxima Logo
Posted on Sep 03, 2009

95 Maxima Mis-Fire

One week ago today my 95 Maxima (160,800 miles) developed a bad mis at all driving and acceleration speeds. At first it cleared up by itself but came back the next day. I replaced the # 1 injector with ne from a salvage yard but still had # 3 sounding bad. So I went and replaced all 6 injecters with new ones (BWD). Still had the mis-fire. With th e engine running, I disconnected the coil on # 5 and there was no change. So I replace the coil and all 6 spark plugs (NGKs). After that the CEL came on (code P1320) and it ran worse. Disconnected coils on 1, 3, and 5 which made no difference. Just for grins, I disconnected 1, 3, and 5 all at the same time (engine running) and still no difference. I have since replace the remaining 2 coils so that 1, 3, and 5 are new. I STILL have the problem. Car was running awesome, no smoke from anywhere so I don't think its a compression issue.

Any thing I am missing?

  • 2 more comments 
  • dana_davis Sep 03, 2009

    It is a 95 with individual coil packs that mount directly on the sparkplugs. The feuk ratio is indeed too rich due to 3 of 6 cylinders not firing. Prior to last week, the car ran perfectly...

  • dana_davis Sep 03, 2009

    It is a 95 with individual coil packs that mount directly on the sparkplugs. The feuk ratio is indeed too rich due to 3 of 6 cylinders not firing. Prior to last week, the car ran perfectly...

  • dana_davis Sep 03, 2009

    It is a 95 with individual coil packs that mount directly on the sparkplugs. The feuk ratio is indeed too rich due to 3 of 6 cylinders not firing. Prior to last week, the car ran perfectly...

  • dana_davis Sep 03, 2009

    The 1995 does not have sparkplug wires. Each plug has it's own coil which mounts to the top of it. I have replace the 1, 3, and 5 coils with brand new ones to no avail.

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  • Posted on Sep 03, 2009
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Hello,the problem there is not a good spark in the compression chamber,so that it will develop a bad miss firing and you will not have a good acceleration.I advice you to change change all the spark plugs wire ,the wire lose the spark.Hope that help you

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