I got a service engine light...

Discussion in 'Tech Info' started by Dawgfan54, Jan 22, 2012.

  1. Dawgfan54

    Dawgfan54 Full Access Member

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    Alright so I went to autozone and they ran the code, apparently my truck is still freaking out over my "check fuel cap" problem that keeps flashing up on my LCD screen...
    I tried tinkering with the tube that iLariat posted about and that did nothing for me... Im not leaking gas anywhere, so I'm lost as to what's wrong...


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  2. VanoFord

    VanoFord Banned

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    Go to napa and get a gas cap for the truck. Put a new one on and clear the code by pullin the negative cable. My wife's bonneville had that issue and it was a leak at the cap itself.
     
  3. Dawgfan54

    Dawgfan54 Full Access Member

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    It's not the cap, it's a brand new cap, I had the guy at autozone look at it too and the seal is brand new and completely fine.
    And the negative battery cable clears it? Not the positive?


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  4. ak_cowboy

    ak_cowboy Penguin Hunter

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    yeah, disconnect the neg cable (so you don't short something out if you lay the pos cable on some metal...) and leave it unhooked for 10min, that should completely clear all the codes and everything
     
  5. VanoFord

    VanoFord Banned

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    Looks can be deceiving. My wifes looked fine until I put a new one on and that cleared the code and hasn't came back since and that was a code I was chasing for over a year. Replaced coil packs,o2 sensor, cats, tuneup... Trying a new cap won't hurt. At worst you can walk right in and return it before you leave.
     
  6. Dawgfan54

    Dawgfan54 Full Access Member

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    It should respond immediately if I switch them out?
    And so I disconnect both cables now?


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  7. cowboy

    cowboy Sheriff

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    1. go to autozone.
    2. disconnect the negative battery terminal.
    3. go in store and buy new gas cap make sure to spend at least 10 minutes in the store so look at stuff you don't need right now.
    4. Replace gas cap
    5. connect battery terminal
     
  8. Dawgfan54

    Dawgfan54 Full Access Member

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    ^this man knows his stuff haha


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  9. Dawgfan54

    Dawgfan54 Full Access Member

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    Here's the plastic piece I switched out with a fercno rubber PVC clamp. This is what I thought was giving me an engine code.
    I was told the plastic piece has the engine silencer in it?
     

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