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Thread: 240sx running rich

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  1. #1
    95 teggy for parts DaRussian's Avatar
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    Exclamation 240sx running rich

    ok i have a 1995 240sx. its running rich. anybody know what can i do to fix it?
    and the exhuast pops, when it idles and when im driving and im in gear and when i let go of the gas pedal it backfires in the exhaust... anybody had this problem before?
    VQ Power ------- SHIFT_W.O.T <br>
    03 Maxima 6spd VLSD -- 1/4 mile -- 14.12 @ 96.3
    92 eg Hatch b20vtec -- 1/4 mile -- 13.6

    Originally Posted by MMBmomoney
    i changed the vtec solenoid and nothing changed. in another post i saw "vtec fluid" where is that located and how do i check it?
    .

  2. #2
    Senior Member | IA Veteran SleeperWRX's Avatar
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    I had that problem, found out it was the head gasket...



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  3. #3
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    try a fuel pressure regulator.... that might help, is the motor all stock?

  4. #4
    95 teggy for parts DaRussian's Avatar
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    Quote Originally Posted by odie22
    try a fuel pressure regulator.... that might help, is the motor all stock?
    yea the car is bone stock
    VQ Power ------- SHIFT_W.O.T <br>
    03 Maxima 6spd VLSD -- 1/4 mile -- 14.12 @ 96.3
    92 eg Hatch b20vtec -- 1/4 mile -- 13.6

    Originally Posted by MMBmomoney
    i changed the vtec solenoid and nothing changed. in another post i saw "vtec fluid" where is that located and how do i check it?
    .

  5. #5
    Super Dave Z U L8R's Avatar
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    check your ignition timing, it sounds retarded....lol you always have problems with this car >_<
    Dave

  6. #6
    95 teggy for parts DaRussian's Avatar
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    Quote Originally Posted by Z U L8R
    check your ignition timing, it sounds retarded....lol you always have problems with this car >_<
    Dave
    yea lol i just never fixed it the first time lol its been sitting in my backyard ever since...
    VQ Power ------- SHIFT_W.O.T <br>
    03 Maxima 6spd VLSD -- 1/4 mile -- 14.12 @ 96.3
    92 eg Hatch b20vtec -- 1/4 mile -- 13.6

    Originally Posted by MMBmomoney
    i changed the vtec solenoid and nothing changed. in another post i saw "vtec fluid" where is that located and how do i check it?
    .

  7. #7
    IA Member bigodom1's Avatar
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    O2 sensor, Maf problem,

  8. #8
    Certified Gearhead
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    water temp sensor.
    www.virjinjorj.com
    dentsport.com


  9. #9
    shit..no 6th.. chip P.'s Avatar
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    check to see if all of your spark plugs are firing. could be tht youre missing in a cylinder

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