Thread: SS M90 Question...

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  1. #1 SS M90 Question... 
    GTP Level Member Bedwards's Avatar
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    Hey guys, I'll be finishing up my SS M90 install tonight. Just a quick question... My Intense PCM won't be here for about 2 days, so can I safely start and run my car with the stock GT PCM to make sure everything works correctly? What about if I just drove it very carefully, and limp it around until my new PCM gets here? I have a scan gauge as well... Thanks guys.
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  2. #2 Re: SS M90 Question... 
    DUI BABY Bio248's Avatar
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    it wont even run since the injectors are the wrong size.
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  3. #3 Re: SS M90 Question... 
    GTP Level Member Bedwards's Avatar
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    Quote Originally Posted by Bio248 View Post
    it wont even run since the injectors are the wrong size.
    Thanks Bio.
    Last edited by Bedwards; 02-28-2010 at 09:47 PM.
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  4. #4 Re: SS M90 Question... 
    The Blue One blueguy's Avatar
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    And you won't have that nice thing called BOOST PARAMETERS or tables in the PCM either with your GT one.
    Sold WBody's: '03 Blue GTP/'98 Green GTP/'98 Silver GT/'05 GXP
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  5. #5 Re: SS M90 Question... 
    GTP Level Member Scimmia's Avatar
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    Quote Originally Posted by bluegtp91 View Post
    And you won't have that nice thing called BOOST PARAMETERS or tables in the PCM either with your GT one.
    Which aren't all that useful anyway.
    2001 Buick Regal LS - Almost Stock
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  6. #6 Re: SS M90 Question... 
    GXP Level Member BwolfGT's Avatar
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    You can start it I've done it before...just don't drive it.
    1998 GP GT - Topswap - Ported M90 - N* - 4" FWI - Poly Mounts - 3" DP - 180 Tstat - Alt. Rewire - 3.29 gearing - Full Exhaust - Custom Tune
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  7. #7 Re: SS M90 Question... 
    GTP Level Member Bedwards's Avatar
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    I finished installing the kit. It started great, but was running extremely rough. My car was literally shaking. I used my scan gauge, and found 2 codes. P0205 and P0300. I fixed P0205 quite easily, as it was just my injector connecter coming loose. However, I still got a flashing engine light, and P0300. When I went to start it for the third time, it wouldn't start. It just cranks... What is going on?

    P.S. I have an Intense Racing PCM, and I have been unable to try and do the CASE relearn yet... If that makes a difference?

    Please help!
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  8. #8 Re: SS M90 Question... 
    youtu.be/xhrBDcQq2DM FoSHO99's Avatar
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    Quote Originally Posted by Bedwards View Post
    I finished installing the kit. It started great, but was running extremely rough. My car was literally shaking. I used my scan gauge, and found 2 codes. P0205 and P0300. I fixed P0205 quite easily, as it was just my injector connecter coming loose. However, I still got a flashing engine light, and P0300. When I went to start it for the third time, it wouldn't start. It just cranks... What is going on?

    P.S. I have an Intense Racing PCM, and I have been unable to try and do the CASE relearn yet... If that makes a difference?

    Please help!

    Check your plug wires, make sure they are going to the correct cylinder. Flashing SES is a bad misfire. P0300 is engine misfire code.

    The cylinder numbers are:
    Rear
    246
    135
    Front
    2001 GTP PT61 Turbo, E85, Stock Motor
    2011 Chevy Cruze MT6 1.4L Turbo
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  9. #9 Re: SS M90 Question... 
    GTX Level Member OH4CompG's Avatar
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    I agree, sounds like a bad mis or crossed plug wires.
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  10. #10 Re: SS M90 Question... 
    The mod from over yonder TheOtherNick's Avatar
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    Check the ground behind the coil packs.
    01 gtp-big cam e85 dd 78dodge- guzzling fuel 05 cummins- rollin coal
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  11. #11 Re: SS M90 Question... 
    GTP Level Member Bedwards's Avatar
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    I let the car sit about 20 minutes and tried again. It took about 7-8 seconds of continuous cranking and it started up fine. Everytime I have shut it off, it will start right back up for me, which is good. However, I'm still getting a rough idle. I also took it for the first drive... In first gear, no problems, it accelerated well. However when I tried to give it gas, it literally wouldn't move. It was missing BAD. The SES was not flashing, but it did not want to go. My buddy driving behind me said I had black smoke coming from my exhaust. I also have a coolant leak, so I'll be replacing my coolant elbows tomorrow. If you guys can help me out, I would really appreciate it. I don't want to take this to a mechanic.
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  12. #12 Re: SS M90 Question... 
    GTX Level Member DanGTP's Avatar
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    I'm with FoSHO. It sounds like you may have some wires crossed.
    ~
    '97 GTP: 9.5:1 Diamonds, P&P Everything, XP, SSIC, GenV, Shiny Headers, 3.29's, HPTuners, E85
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  13. #13 Re: SS M90 Question... 
    GTP Level Member Bedwards's Avatar
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    All the wires are plugged in correctly. I checked.
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  14. #14 Re: SS M90 Question... 
    GXP Level Member BwolfGT's Avatar
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    You didn't replace the coolant elbows already? That should've been part of the swap. Sounds like a misfire, you did replace the plugs right?
    1998 GP GT - Topswap - Ported M90 - N* - 4" FWI - Poly Mounts - 3" DP - 180 Tstat - Alt. Rewire - 3.29 gearing - Full Exhaust - Custom Tune
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  15. #15 Re: SS M90 Question... 
    GTP Level Member Bedwards's Avatar
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    I totally forgot to replace the coolant elbows, that's all. I replaced the spark plugs, yes. I need to figure this out!
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  16. #16 Re: SS M90 Question... 
    GXP Level Member BwolfGT's Avatar
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    Quote Originally Posted by Bedwards View Post
    I totally forgot to replace the coolant elbows, that's all. I replaced the spark plugs, yes.
    Hmmm, and you said it's tuned right? Other than a bad tune, I'm not too sure, you should take a video. Mine had a REAL bad vaccum leak after the topswap that was making the idle horrible, have you checked the lines?
    1998 GP GT - Topswap - Ported M90 - N* - 4" FWI - Poly Mounts - 3" DP - 180 Tstat - Alt. Rewire - 3.29 gearing - Full Exhaust - Custom Tune
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  17. #17 Re: SS M90 Question... 
    GTP Level Member Bedwards's Avatar
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    I got an Intense top-swap tune. I'm going to check all the vacuum lines today. I'll take a video as well.
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  18. #18 Re: SS M90 Question... 
    GXP Level Member BwolfGT's Avatar
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    Quote Originally Posted by Bedwards View Post
    I got an Intense top-swap tune. I'm going to check all the vacuum lines today. I'll take a video as well.
    Intesne is decent so you should be fine, 99prix has been running their topswap tune for awhile. Yeah I'd check the vac lines and if that's not it post a video.
    1998 GP GT - Topswap - Ported M90 - N* - 4" FWI - Poly Mounts - 3" DP - 180 Tstat - Alt. Rewire - 3.29 gearing - Full Exhaust - Custom Tune
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  19. #19 Re: SS M90 Question... 
    youtu.be/xhrBDcQq2DM FoSHO99's Avatar
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    What injectors are in the car and what injectors was the car tuned for?
    2001 GTP PT61 Turbo, E85, Stock Motor
    2011 Chevy Cruze MT6 1.4L Turbo
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  20. #20 Re: SS M90 Question... 
    GTP Level Member Bedwards's Avatar
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    Quote Originally Posted by FoSHO99 View Post
    What injectors are in the car and what injectors
    was the car tuned for?
    GTP Injectors and it was tuned for them.
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