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Thread: tons of smoke...misfires...fixed! 2003 protege5

  1. #1
    Jeff

    2003 MP5, 2000 Audi S4, 67 Mustang (hers)

    Join Date
    Nov 2008
    Location
    Renton, WA
    Posts
    44

    tons of smoke...misfires...fixed! 2003 protege5

    i don't want to write a novel on this but I could.

    bottom line...car (180k miles) was smoking a ton on start up...like spy vs. spy.....total smoke screen....and we had the CEL which was randome misfires but mostly on cylinder 3...


    took it to the dealer....no ideas except "get a new motor." after they charged $126 for a pcv valve....that was 3 years ago...i learned if I change the plugs every 3 months, things are ok, but the car still smokes a TON!

    was burning a quart of oil a month...

    took it to a local guy and he says "gee, there is a ton of gunk in your engine." at this point I want to spend like $4k on a new engine install...he quotes me $6800. no way.

    so I buy the lubrimoly engine cleaner and run it before an oil change....whoa!....smoke is down about 90%...i do the same 3 weeks later...smoke is gone....totally gone...but we still have really bad misfires...

    a friend asks "you change the plugs, do you change the wires?".....hmmm...I did like, 7 years ago...so I google the solution...and yes, it appears wire can last 30k miles or 120k miles, it is all about resistance...but there is no way to see if the wires still maintain proper resistance (well there is, but that is a few levels higher, and one would need to still buy a new pair!)...so I spurge the $26 on new wires (Amazon).

    car runs perfect now....i was effing stunned....

    so, the smokey thing was cleared up with about $22 worth of engine cleaner, and another $26 has the car running better than it has the last 7 years...

    and by the way... this was all done about 4 weeks ago...thus far all is as reported....


    love this car...
    Jeff

    Mine:

    2000 Audi S4
    Revo w/SPS3
    AMS TBB, Stern snub mount, Apikol Rear Diff Mount
    3" custom exhaust, Minor lemmi tweaks
    ST Coilovers, SS brakelines, Stern Motor Mounts
    710N, EBC Slotted + Dimpled
    Incognito Piggie Pipes, 034 Density Trans Mounts
    Voodoo MBC Ceramic in MBC only mode
    other stuff

    Hers:

    68 Mustang

    2003 MP5
    Xenon upgrade
    looking for more to add here...

  2. #2
    Registered Member Corphish's Avatar

    83 RX-7 Gsl, 2000 Mazda Protege LX, 2011 Mazda3 Sport i

    Join Date
    Aug 2016
    Location
    Baldwin, WI
    Posts
    287
    Everyone here loves this car!

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