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Screwy idle, engine speed stay same when shifting.... plus others. ??? :O

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    #1

    Screwy idle, engine speed stay same when shifting.... plus others. ??? :O

    So before i tear into anything. My car is doing the irratic idle (up and down up and down) until its warm, and i shut it off and let it sit for a while. then it will be fine...? plus my gas mileage kinda SUCKS. and when i clutch in for changing gears... the engine speed stays the same. same with just driving, if i try to compression brake, it stays for a few second, then begins to slow down.
    i'm at a loss as to where to start...
    Tags: None
    #2
    Are you throwing any CEL's? I would start there. Eratic, searching, bouncing idle can be caused by a number of issues. It can be clogged egr ports, clogged idle air control valve, fast idle control valve, o2 sebsor.. etc. Read chech engine light codes first..

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      #3
      Originally posted by Guero112 View Post
      Are you throwing any CEL's? I would start there. Eratic, searching, bouncing idle can be caused by a number of issues. It can be clogged egr ports, clogged idle air control valve, fast idle control valve, o2 sebsor.. etc. Read chech engine light codes first..

      A couple weeks ago, once in a while i'd start the car and it would rev limited somewhere around 4k (this was back when my tach was false) but i shut the car off and restarted and it went away.

      How exactly do i check CEL's? ive read something about under the dash? two wire plug? jump the two... something like that.
      Last edited by kylerawlins94; 04-15-2013, 10:27 PM.

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        #4
        turn the key to the run position. bend a paper clip to fit the connector on the passenger side under the dash. put one end of the paper clip in each of the holes of the connector and watch your engine light. it'll begin flashing, count long flashes as 10 and short flashes as 1. add them up and look up the codes each number corresponds with.

        here ya go: http://check-engine-light-codes.blog...retrieval.html

        hope i helped. you can see the connector in that picture

        Comment

          #5
          Originally posted by Nezdude87 View Post
          turn the key to the run position. bend a paper clip to fit the connector on the passenger side under the dash. put one end of the paper clip in each of the holes of the connector and watch your engine light. it'll begin flashing, count long flashes as 10 and short flashes as 1. add them up and look up the codes each number corresponds with.

          here ya go: http://check-engine-light-codes.blog...retrieval.html

          hope i helped. you can see the connector in that picture
          I think i may have just tucked that up and ziptied it earlier!

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            #6
            OH! i also forgot to mention. when i have the throttle pushed just the right amount. i get this metallic fluttering/ringing/ whateverthefuck, sound from the passenger side. its really weird. and its all the time if i push the gas just enough. O.o

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              #7
              https://www.youtube.com/watch?v=b6rEk9aXOmg

              This is a vid i found on youtube. Hope this helps aswell.
              Just make sure you have good contact with the plug terminals before you turn the key.

              (long blinks = 10 and short blinks = 1)
              "Wise people treasure knowledge, but the babbling of a fool invites disaster" Proverbs 10:14

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                #8
                Got a code 15.... ign something or another...

                and now i think my main relay is going bad. went to start the car after going into the petstore the other day and it just cranked... almost killed my battery before it finally started (weak battery too)

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