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  1. W

    CEL P0304 then sometimes it seems to go into limp mode

    Don't worry, I didn't forget you. Just waiting for my daughter to drop the car off.
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    CEL P0304 then sometimes it seems to go into limp mode

    edmaz, I may have been a pro 20 yrs ago, but now just a retired Manufacturing Engineer. Back in the day, when you did a compression test, if you had a bad cyl or two it would affect the running quality. If all the cyls were bad you would see nothing and if they were all even you would never know...
  3. W

    CEL P0304 then sometimes it seems to go into limp mode

    Interesting read, "you learn something new each day". But I replaced the plugs with OEM original plugs ILKAR7L11 as a first step and I tried moving the original coil and plug to a different cyl with no change in performance. After doing some research on this biased current at the spark plugs...
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    CEL P0304 then sometimes it seems to go into limp mode

    Just a bit of background, I retired from Mazda as a Master Tech and a service guild member 12 years ago. I know my way around and don't appreciate being talked down to. Now with that behind us, My daughter's 2013 CX-5 Sport is throwing a P0304 #4 misfire. So I do the logical things, like clean...
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    Tribute P402 Help

    The 1/2 incch hose you speak of is the PCV hose.it goes from the large port (#3) on the intake to the metal box under the fuel rail.You need to replace this hose as it is how the engine breathes.Remove the PCV valve and replace it.I believe it needs a 1/4 or 1/2 turn to remove.
  6. W

    problem rear brakes

    I'm assuming you mean shoes not pads.The first thing I would look at is the Ebrake adjustment.If it's not backed off all the way you won't be able to get the drums on with new shoes.The drums would have to be really out of round not to fit with new shoes and the ebrake backed off.....Just my...