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Car won't Start

This is a discussion on Car won't Start within the Firebird / WS6 forums, part of the Vehicle Specific category; Ok guys. I'm the one who has been doing my build for about a year and a half. Cam, heads, ...

  1. #1
    Member cowstandmoto's Avatar
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    Dark Blue Metallic
    2002 Trans Am WS6 M6

    Car won't Start

    Ok guys. I'm the one who has been doing my build for about a year and a half. Cam, heads, pushrods, rockers, oil pump, headers, intake, throttle body, maf, 42 injectors and fuel pump. I tried to start it for the first time today. It did start and, it ran for about 30 seconds. And then it started coughing and died. And when it died, it sounded like it released some air somewhere in the engine bay. As a matter of fact, I actually saw dust fly up in the engine bay area while I was in the car. And now it won't start at all.

    Any ideas guys?

  2. #2
    Moderator 98TransAmWs-6's Avatar
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    98 TA WS6/ 01 C5 Corvette

    Any codes? Does it stay started if you rev it? I had a similar problem. Try checking your MAP sensor. Also make sure all vacuum hoses are on properly with no leaks. Another thing to check would be the intake gaskets and that the intake is seated properly. Did you tighten are you having and fuel or coolant leaks?
    1998 Trans Am WS6 - Phantom
    421 CI LQ9, Tick Performance Custom Cam, TFS 255cc LS3 heads, Kooks 2" LT headers, Kooks 3" True Duals w/ high flow cats, FTP 104 lid, Speed Density Tune, 4" silicon tube, LS6 VCT, FAST 102 Intake, NW 102 TB, Oil Catch Can, SLP Bilstein Shocks w/ Vogtland Springs, CTS-V 4-piston Calipers w/C6 Z06 rotors, Stainless Steel Brake Lines, R1 concepts premium rotors, Hawk HP+ brake pads, VFN WSQ Hood, C5-R timing chain, SLP oil pump, E85 tune, Walbro 450 fuel pump, Deatschwerkz 95# injectors, Breathless performance headlights, Frost Tune, !HVAC.
    (Coming Soon) BMR DSL, UMI TQ Arm
    421 LQ9 14.8:1 on E85 Build/

  3. #3
    Member cowstandmoto's Avatar
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    Dark Blue Metallic
    2002 Trans Am WS6 M6

    Hey Will. I'm not getting any codes.

  4. #4
    Member cowstandmoto's Avatar
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    Dark Blue Metallic
    2002 Trans Am WS6 M6

    It won't start at all now.

  5. #5
    Member cowstandmoto's Avatar
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    Dark Blue Metallic
    2002 Trans Am WS6 M6

    Everything appears to be hooked up. And I'm certain the intake is bolted correctly.

  6. #6
    Moderator 98TransAmWs-6's Avatar
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    98 TA WS6/ 01 C5 Corvette

    Does it crank at all? I would check all your electrical stuff (battery,spark plugs coil packs, wires, etc.)

  7. #7
    Member cowstandmoto's Avatar
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    Dark Blue Metallic
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    Yeah, it cranks.

  8. #8
    Member cowstandmoto's Avatar
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    Dark Blue Metallic
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    I forgot to mention at the top that it also has a Frost tune.

  9. #9
    Member cowstandmoto's Avatar
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    Dark Blue Metallic
    2002 Trans Am WS6 M6

    Well Will, thank you so much for responding to my problem. But I probably won't be able to look at it until sometime next week. My wife and I are fixing to head to a superbowl party. Thanks again Will.

  10. #10
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    Start with the basics -- fuel, air and spark.

  11. #11
    Moderator 35th-ANV-SS's Avatar
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    Agree. Check the battery terminal connections. Make sure they are clean and secure. Make sure all electrical connections are tight. Check the fuel pressure at the rail and ensure you're getting fuel there; 58psi. Check plugs/wires too.

  12. #12
    Member cowstandmoto's Avatar
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    Dark Blue Metallic
    2002 Trans Am WS6 M6

    Yeah. The fuel is where I'm going to start. Because since the car has been on stands for over a year and a half, I'm wondering if the fuel line is gummed up. Thank's very much for the input guys.

  13. #13
    None Shall Pass Knight's Avatar
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    Agree with Jeff & Jon. That'll really narrow down where the issue is.

  14. #14
    Spaz is My Mentor SMWS6TA's Avatar
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    pull the fuel filter. If it's going to clog up it will be there first.

  15. #15
    Member cowstandmoto's Avatar
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    Dark Blue Metallic
    2002 Trans Am WS6 M6

    Ok folks, the bird still won't start. I finally got a chance to work on it some more. I blew out the fuel line. Some poo poo did come out of it. Checked the fuel pressure. Had 59 on it. The first time I pulled the trigger on it, it started and ran for about 20 seconds. And then it died and I was not able to start it avian. What do you guys think?

  16. #16
    Moderator 35th-ANV-SS's Avatar
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    VATS maybe?
    It's on jackstands.

  17. #17
    Member cowstandmoto's Avatar
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    Dark Blue Metallic
    2002 Trans Am WS6 M6

    Hey Jon. I didn't mention this before, I did install a new vapor canister valve just for grins. Since they are only about $12. What does VATS stand for? I am assuming the V in VATS stands for Vacuum. But to be honest, I don't know what you mean.

  18. #18
    Moderator 35th-ANV-SS's Avatar
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    Security system. If you have an issue with it or your resistor in the key, the car will not start.

  19. #19
    Member cowstandmoto's Avatar
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    Dark Blue Metallic
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    Yeah, after I replied back to you, I did a little research. And that's what I learned. I will probably do the bypass like all the threads I read earlier. You know, I looked at my key after reading about the problems they can cause. My key "IS" in bad shape. So that might be part of the problem.

  20. #20
    Veteran 0rion's Avatar
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    security light will stay on solid if it's a vats issue. Did you tell frost you had the 42lb injectors and a complete list of mods when he wrote the tune? I'm assuming you did but thought I'd ask just to cover that base. Have you went back over your install and made sure everything is done correctly? Intake is buttoned down, map sensor connected, vac lines all hooked up, ect ect. It's very easy to miss something when buttoning everything back up especially given the time frame you're working with here. A year is a long time.

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