rebuilt m20 2.7i wont idle kinda revs , found out problem hahah

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  • Denny
    replied
    remove a sparkplug and smell if your engine is flooded. Im almost sure its fuel related

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  • e30m20TurbO7
    replied

    New vid
    Last edited by e30m20TurbO7; 03-28-2013, 10:49 AM.

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  • e30m20TurbO7
    replied
    Wouldn't the ecu regulate how much gas is being put in the engine , and would a new fuel filter cause this , also car will only run with out the IAC or the maf connected , if I try and connect the iac and the Maf as the car is running , as soon as I connect the iac to the throttle body the car dies, if I put the elbow close to the throttle body it's almost as if the car is gonna rev ��I'm posting another video

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  • Bmwb
    replied
    well i got a mechanic to look at mine , and by the looks of it you could have a electrical problem thats what i was told and it turned out to be true aslong as your engine isnt messing up whilew revving it , i say go back and re check each plug could be corrosion , clean them up , and check that one c191 connect to your injecotrs mine was filthy... cleaned it you can by a spray for this and add electrical greese for better contact , linkable fuse < but i doubt your car would be able to start if thats blown but could check it

    to me that sounds like too much gas..gas mixture is wrong to start. remove a sparkplug and check if there is too much gas.
    ohh what he said dont start the car see if the plugs are wet u could have leakey injectors , pull off the vaccum line to the regulator check if there is gas going through that into the intake manifold regulator could be gone ,

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  • Denny
    replied
    sorry just watched the videos...I tough they where pics...lol...

    to me that sounds like too much gas..gas mixture is wrong to start. remove a sparkplug and check if there is too much gas.

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  • Denny
    replied
    Originally posted by e30m20TurbO7
    help anyone anything
    this is the steps I would take in order no idle problem, back to basics:

    1. does engine crank over? yes go to 2. if not check battery and connection to starter,

    2. engine crank and starts? yes go to 3. If doesnt start check CPS, TPS.(fuel,air, fire)*smell of gas at the sparkplugs? do sparkplugs fire? any obstructions in intake so no air would go in engine or threw IAC.

    3. engine starts, cant maintain idle? check IAC, (are the injectors stock?), vaccum leak or too much fuel

    check these out to make sure first...

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  • e30m20TurbO7
    replied
    still need help my buddy is saying i have an electrical problem which i see very unlikely since the car ran before i took it apart , hes saying i may have a bad ecu but i swapped it out with a spare and the car peforms the same , how do i peform a stomp test

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  • Bmwb
    replied
    car wont run at all , idk there should be a way to check if its bad but you will have to wait for the pros to reply or do some research .. mine started , with it almost sliced in half

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  • e30m20TurbO7
    replied
    i checked the cps , i believe you wont obtain any spark if its disconnected
    the car wouldnt run at all if the the cps was bad right
    Originally posted by Bmwb
    check the cps < for any rips or if its plugged in lol , if u reused the old one, and reset your ECU if your check engine light has an error code < or check for error codes that would help alot i had my maf unplugged got 1215 < and it wouldnt go away untill i reset it by unplugging the batt , u can reset it with out the batt being unplugged tho

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  • Bmwb
    replied
    check the cps < for any rips or if its plugged in lol , if u reused the old one, and reset your ECU if your check engine light has an error code < or check for error codes that would help alot i had my maf unplugged got 1215 < and it wouldnt go away untill i reset it by unplugging the batt , u can reset it with out the batt being unplugged tho

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  • e30m20TurbO7
    replied
    What is it I can not get it to run

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  • e30m20TurbO7
    replied
    come on anyone think its vacuum leaks

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  • e30m20TurbO7
    replied
    so i got the car to stop blowing black smoke and i no longer need to use the throttle to get it started heres an update , i cant rev it or it will die and the videos do most of the explaning
    Last edited by e30m20TurbO7; 03-26-2013, 07:33 PM.

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  • e30m20TurbO7
    replied
    I removed the air box and I got the car to run and idle without me touching the throttle , that's no iac and no airbox , ran smoothly and didn't smoke , going to fill the coolig system

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  • jlevie
    replied
    The exhaust turning red hot and the plugs fouling could be incorrect valve timing and/or incorrect AFR.

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