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map sensor code

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    #1

    map sensor code

    i've got a 93' EX coupe w/ usdm h22 and i hooked up an Apexi' S-AFC II about a week ago. well, after i did intial setup and started the engine i threw a map sensor code (#3). i posted a thread to see if anyone knew what i did wrong. anyways, i didn't get any really helpful responses, so today i removed it. I cranked it up and it was still showing code #3. so i changed the map sensor for a 93' prelude map sensor i had leftover from my h22 swap. i had to swap connectors also because the prelude sensor had a round connector instead of the accord's retangular connector. i hooked up the vacuum line and cranked the car and have still got that same code. i know #3 and #5 are both map sensor codes but don't know exactly what problem with the map sensor i have. i really don't know what's going on, and have ran out of ideas. please help me.
    Tags: None
    #2
    bump. i know someone knows what the trouble codes mean in a little more detail than the vague description the manuals give me.

    Comment

      #3
      MAP stands for mass airflow pressure. did you hook up the vacuum line in the right place?
      miss my turbo cb7
      moved onto volvos. dont know how that happened, just did

      Comment

        #4
        Originally posted by quickangel93
        MAP stands for mass airflow pressure. did you hook up the vacuum line in the right place?
        yeah, i pulled the vacuum line out of one and plugged it into the other one. i know what the map sensor does but don't understand the difference in the 2 map sensor codes (3 & 5)? i'm figuring one code is for the vacuum line and one is for the electrical signal but don't which is which. i just want to know in more detail what problem the map sensor has when trouble code #3 is shown.

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