LS1LT1 Forum : LT1, LS1, Camaro, Firebird, Trans Am, Engine Tech Forums - View Profile: cocobolo95

cocobolo95 cocobolo95 is offline

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Showing Visitor Messages 11 to 20 of 42
  1. cocobolo95
    09-01-2014 07:04 PM - permalink
    To ililt1 if your a registered member you can use regular private messages.

    If your laptop went into sleep mode while programing you could have damaged your pcm. So even though lt1's rarely have pcm problems, you could have that.

    Low resolution wire is red/black and high res wire is purple/white. If your scope is a dual trace scope you can do both signals at once. If you have an old single channel scope like I have, you will have to do one signal at a time.

    With engine cranking and scope leads hooked up, you will be able to see low & high res signals as opti sends them out.
  2. jljLT1
    09-01-2014 05:50 PM - permalink
    Another side note is two things. I did have a reflash problem when programming my laptop went into sleep mode-low battery. I reflashed it again and it seemed to work properly. Second during the no start-no codes I did test the B terminal from the ICM to the PCM and it was giving the AC signal-about 1.8V-if these where any help-always thing of other things after the fact-Thanks.
  3. jljLT1
    09-01-2014 05:11 PM - permalink
    Another Member told me you might be able to help me with my 94 TA. Just completed an overhaul and tune etc. Had to have it towed home last night. No spark,no codes etc. Until I checked this morning with my laptop KOEO, I got 36,41 & 42. Inspected coil & ICM plus harness-was good. Ran it for awhile and it just cut out no codes today. Has brand new reman Delco Opti installed. Last MSD opti did not last a year before optical codes came up. One thing I did notice when it was running last night with scanner on it was the spark retard was jumping around from it usual 31 down to 21 then back up. So I don't know if I have a PCM issue, harness issue or another opti. It did happen when hot but checked for spark on the side of the road and there was none-injector pulse could not check. So if its the opti what would be taking them out-this one has 600km on it. The other member said you could tell me how to scope the high & low res signal to the PCM-let me know. Thanks A lot.
  4. twd420
    08-11-2014 09:01 AM - permalink
    my email is [email protected]
  5. Prince
    07-15-2014 11:30 PM - permalink
    If you could give me an email [email protected]
  6. Prince
    07-15-2014 11:29 PM - permalink
    Hey I had a question if you could help me out
  7. Vavos95z28
    06-20-2014 08:27 AM - permalink
    [email protected] You mentioned you had some Basic A/C Instruction Manuals you could slide over. Thanks a bunch man!
  8. systemgod
    05-18-2014 06:29 PM - permalink
    The mechanic who fixed my tranny a shop left the metal retainer thing off saying it's not really needed. So where would I get one he threw it away
  9. Max
    04-29-2014 11:56 AM - permalink
    Hey my email is [email protected]
  10. DirtyBird94
    03-21-2014 11:04 AM - permalink
    Hey my email is [email protected]

  About Me

  • About cocobolo95
    Fruitland Park,Florida
    Car Year/Make/Model/
    95 Pontiac Firebird Transam


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  • Join Date: 09-22-2008
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09:14 PM - JacksonHogan01 quoted cocobolo95 in post 94 Pontiac Firebird Trans am starts and stalls
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