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  1. ECM, diagrams for 91-96 3800

    General Tech
    A buddy roped me into helping with an engine swap. Motor is from a '86 Regal, going into the nose of a baby motorhome. What's throwing me - the ecm has four square connectors, and I haven't seen any schematics showing that - all the schematics show two connectors. The ecm shows serv.# 16132792...
  2. 2006 GTP parked 4 months ago, now wont start

    DTC's, Problems & Troubleshooting
    No power to fuses 12, 14, 17, 20, and 24. Does have power to powertrain relay. Have swapped a million different relays in place, no change... swapped pcm and did relearn for security, no change... stumped.. help please.
  3. 2001 Grand Prix 3.8L

    PCM's & Tuning
    I am looking for a PCM schematic/pin out for my 3800 grand prix. If anyone could help me out that would be phenomenal. I am registering air flow across my MAF sensor with the vehicle off and the MAF unplugged. I am thinking it is a direct short or feedback from a bare wire. Any help would be...
  4. Special Shout Out with my Tuning Troubles

    PCM's & Tuning
    Hey everyone, After being unsatisfied with my box tune, I contacted DynoBrian to see if he would tune my PCM. We talked, and I eventually bought an HP Tuner, and sent Brian my tune. From there, he told me the box tune that I had was essentially garbage. Injectors weren't even the correct size...
  5. New PCM Caused Old PCM to Not Work

    PCM's & Tuning
    Hi everyone, New to the 3800pro forum, but I've been a member of RegalGS.org for awhile now. Just starting to mod, and after getting my aeroforce gauge and a downpipe, I thought I'd get an Overkill PCM. I have a 2000 Buick Regal GS, and my stock PCM had the number #09380717 on the bottom. I...
  6. ECM Sense Fuse Under hood blows

    DTC's, Problems & Troubleshooting
    1999 pontiac grand prix gtp supercharged vin 1 There is a short between the ECM Sense fuse and the PCM. I have done all the basics, visual inspection, meter, etc and cannot figure out how to locate the short. There is a wire that connects the bottom of the fuse to the PCM through the fuse...
  7. Abs/traction off/ parking brake light after pcm install

    PCM's & Tuning
    Good evening all. I'm looking to see if you guys have any answers or solutions to my problem and hopefully i posted this in the correct forum section. I have an 04 impala ss (68xxx miles) with an intake, and 3.4 pulley. I just installed some autolige 104's, 3" zzp downpipe, and mail tuned pcm...
  8. Wiring diagram for real.

    PCM's & Tuning
    Need pictures from the fsm for pinout for the pcm. Sorry if my replies are a litte gruff i'm used to sites like pirate4x4 and such. Just incase you are wondering I am taking a l67 from 2004 impala ss and putting it into a 1968 jeepster commando. Will be using a fiero trick to manage the shifting...
  9. PCM pin out question

    PCM's & Tuning
    Hi, Is there anyone that can help me with the pin out on a 2001 Monte Carlo SS 3800? I had a top side fire, and need to make some repairs. I was told only a 01 or 02 Monte or Impala would work, I did find the info on a 3400 but unable to confirm if this would be the same. Thanks for any help...
  10. 1998 Regal GS will not start.

    PCM's & Tuning
    1998 Regal GS 3.8 Supercharged Replaced fuel pump, crank sensor, cam position sensor Tried swapping PCM from a Pontiac Grand AM. I found a broken pink wire that runs from the fuze box, behind the radiator, and up to the engine (to the fuel injectors, I believe). I'm wondering if it could have...
  11. park ave shift points

    General Tech
    my "stock PCM" PA ultra shifts WOT between 5000 and 6000 rpm.. isnt this not normal??? :icon_conf now im scared of hurting the motor without doing some mods first i have a CAI, thats all.. my other mods ( pulley, stat, pcm) arent installed yet
  12. ottawa or eastern ontario

    PCM's & Tuning
    anyone in the ottawa region or eastern ontario that can tune my pcm.. i cant have the car off the road so i cant send mine in .. and the shipping to canada from intense or others via ups is insane.. plz help
  13. ZZP 1.0 PCM for sale

    For Sale
    zzp 1.0 pcm for sale. made for 2000. out of a 1999. no core. $80 shipped. firm FEATURES: Speed limiter removed Raised rev limiter Raised shift points 3-1 and 4-2 skip shifts Programmed for race pellet timing Transmission line pressure increased 185F fan turn on 90 second fan on at key-off (this...
  14. A good tune?

    PCM's & Tuning
    So I have a hypertech power programmer. Does it produce a decent tune, or would I benefit by swapping to an overkill or intense pcm? Thanks
  15. 2002 Park Ave Ultra w/stock SC Upgrade

    I am new to the site. I am interested in putting a smaller pulley on my supercharger. If I do this where can I find a PCM ECM for my model and year car. All the ones I see are for Regal or impalas or something else. One person told me I may be able to use a PCM from a regal but I'm not sure. I...
  16. help on security relean

    PCM's & Tuning
    Hi i have a 98 olds and just got my pcm from intense and tryed to do the security relearn and it wont work. the light just stays on. is the procedure the same on my car as the gp's. i wanna drive the car but cant even get this silly little step done
  17. which pcm for me

    PCM's & Tuning
    hi new to the forum not so new to the game. i have a 98 olds intrigue with a gtp motor in it now with all sensors to go with. the 4t65e-hd, keep the stock olds final drive ratio (3.69? i for the ratio cant remeber) and some nice hard parts inside to. i have a c.a.i., hi-flow cat u-bend delet 3"...
  18. Guys help me!!! I have no clue!! Lean fuel, abuse mode? Fuel pump? Gimme a pro!

    Fuel System
    hey guys, i have a problem and this will take a minute to explain... i bought a 97 bonneville ssei and it ran good but was not that fast for a supercharger(would not spin the tires) then one day all of the sudden it was a monster and upon pressing the throttle would spin the tires until the...
  19. HP tuning

    PCM's & Tuning
    I have been modin grand prix's for the last couple of years and have a pretty good foot hold. I have a 3.3 pulleyed GTP w/ supporting mods. But I just purchased a HP tuner and I dont have the slightest idea what to do:icon_sad:. I have 0 tuning experience but decided (with the help of a...
  20. HP Tuning

    Newbie Zone
    I have been modin grand prix's for the last couple of years and have a pretty good foot hold. I have a 3.3 pulleyed GTP w/ supporting mods. But I just purchased a HP tuner and I dont have the slightest idea what to do:icon_sad:. I have 0 tuning experience but decided (with the help of a...