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  1. #1
    Member flipsutter's Avatar
    Join Date
    May 2008
    Location
    Arkansas
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    44
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    141

    White
    1999 Firehawk

    Question Sigh

    Since I have had the car for only a month I have been learning a lot about it.

    I was getting a really hard shake so I took it to Autozone. Code = P0300. Multiple cylinder misfire. So I decided to dig into it.

    I have replaced the Air Filter with a K&N. The original was really dirty.

    So now I'm onto the plugs and wires. Seeing as how this is my first time I have decided to take my time and read about it as much as I can.

    I picked up some ACDelco's today and started on the driver side. After I pulled the plugs I noticed that the porcelain was really burnt. I decided to check the gap on the plugs. Sure enough the 4 on the driver side was set between .030 and .041. This isn't right. From what I read it should be about .054 to .055.

    My project for today was only the driver side. Tomorrow will be the passenger.

    How would the spark plug wear if the gap was to close?

  2. #2
    Impounded
    Join Date
    Oct 2007
    Location
    Beaver Dam KY
    Posts
    7,745

    79 T/A -91 Firebird
    1998 Trans Am -Oynx Black

    Im sure that gap would help the misfire. As for the passenger side have fun with plug #8. Other will chime in about it as well.

    Well be here to help

  3. #3
    War Machine BIG GUNS's Avatar
    Join Date
    May 2007
    Location
    St. Louis MO.
    Age
    59
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    2,100

    Black
    00 Trans Am/Auto

    If plugs and wires doesn't fix it, you may have to look at one or more of your coil packs as suspect. Sometimes those will go out. Had one happen to me once. $20 per if I remember right.

  4. #4
    Member flipsutter's Avatar
    Join Date
    May 2008
    Location
    Arkansas
    Age
    44
    Posts
    141

    White
    1999 Firehawk

    Hey,

    Ok so I changed the plugs and wires on both sides.

    Whats really shocking is the fact that the number 8 was kinda easy. I slid the socket onto the plug and then used my finger to figure out the angle of the socket compared to the angle of the ratchet. And poof she went right on. I didn't have to use an extension or a swivel.

    There was two issues I ran into. Number one is that the number 6 cylinder was the hardest to get off and on. For some odd reason. And number two was getting the coil pack plugged into the number 8 wire. Now that was a bytch.

    I went for a ride earlier and my idle is down to 800 or so and she is pulling a lot better. Only time will tell now if I get that code again.

    O and all of the plugs were worn the same way. It was like the gap was way to much in. I noticed that I was getting shitty gas millage too. I wonder if that is a cause of the gap being to much in.

    Well any way thanks for all your help. You guys rule!
    Last edited by flipsutter; 08-06-2008 at 05:56 PM.

  5. #5
    Impounded
    Join Date
    Oct 2007
    Location
    Beaver Dam KY
    Posts
    7,745

    79 T/A -91 Firebird
    1998 Trans Am -Oynx Black

    badass

    Now start moddin

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