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Thread: Needing help with 7mgte electrical issues!!!

  1. #1
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    Default Needing help with 7mgte electrical issues!!!

    Need help with 7mgte electrical issues, my 7mgte randomly runs rich burying the wideband to where it just shows dashes, it wont idle without you giving it light throttle and when you give it more then light throttle itll shut off, not like bad maf at around 2500rpm, it's around 1100ish maybe a little more, it just tries to die like you turn the key off, but if you quickly let off the petal it wont completely stall. If you pull the afm signal wire loose it'll run better, it runs like it normally would without the afm hooked up which is better then when its acting up like this, i men its so bad you cant drive over 10-15mph! I have tried different known working afms with no change whatsoever, disconnect tps, only makes a difference in a slight idle change, im at a loss, itll work great for weeks then slowly start acting up worse and worse til its undriveable, and other times itll just randomly instantly go to the point of undriveability.

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    creepy-ass cracka
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    Default Re: Needing help with 7mgte electrical issues!!!

    You did all that and are still at a loss?
    In memory of Rimma Kiselitsa

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    Default Re: Needing help with 7mgte electrical issues!!!

    Yea I haven't been able to figure it out! It can run great at times then slowly get worse, or it'll just get bad instantly, there is no consistency to it, maybe some bad wires in the harness?

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    Default Re: Needing help with 7mgte electrical issues!!!

    Did you check for any codes?

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    Default Re: Needing help with 7mgte electrical issues!!!

    Quote Originally Posted by jetjock View Post
    You did all that and are still at a loss?
    Quote Originally Posted by ktothec13 View Post
    Yea I haven't been able to figure it out! It can run great at times then slowly get worse, or it'll just get bad instantly, there is no consistency to it, maybe some bad wires in the harness?
    Lol.

    Woosh.

    ktothec: You need to start with some basics. Unplugging random components doesn't help you figure anything out. There's a process to figuring this stuff out. Check for codes being step 1.

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    Default Re: Needing help with 7mgte electrical issues!!!

    Is there a write up anywhere on how to wire up the check engine light? lol Mine is in a 76 Celica so I don't have the check engine light, but yea I know I really need to get it wired in and check for codes!

  7. #7
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    Default Re: Needing help with 7mgte electrical issues!!!

    A 194 bulb with one end to 12V is all you need. See the diagram below.

    Image1.jpg

  8. #8
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    Default Re: Needing help with 7mgte electrical issues!!!

    Awesome! Thank you so much! I shall see what I can do!

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