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Old 08-02-2012, 05:36 PM
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94 LT1 in buick

Hi guys.. I bought a 94 Buick Roadmaster with LT1 5.7..Got it for the eng/trans. But it has the service engine soon light on. I would like to know problem before i remove the engine.Right know i can start it but it has a dead spot on acceleration . Tried to jump AB connector on plug (flash code) but light just stays on...Do i need a code OBD tool to read codes.. Any one ... its a hearse... Jim

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Old 08-02-2012, 05:39 PM
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Yea get it scanned. Any autozone or advance auto does it for free
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Old 10-12-2012, 04:57 PM
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Or you can prepare yourself with a laptop, TunberPro RT software, Winflash from TunerCat and a cable and read your own codes and tune...
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Old 10-12-2012, 04:59 PM
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Or you can prepare yourself with a laptop, TunberPro RT software, Winflash from TunerCat and a cable and read your own codes and tune...
Another one? check the date before you respond
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Old 10-13-2012, 08:35 AM
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Just leaving good information for someone to find.
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Old 10-13-2012, 08:41 AM
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Just leaving good information for someone to find.
I get you, just try not to fill the forums with old threads.
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Old 10-13-2012, 05:04 PM
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Welcome back Eaglemark.

Bigdog, the thread is only a few months old. Its not your place to tell anyone where , when, and how much to post.
I have read plenty of your posts in the past, and would consider some of them less than worthy of webspace .
Eaglemark has a LOT to offer here, and is willing, so back off.

The OP will recieve an E mail notification and see the answers posted , so its not really a waste.
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Old 10-19-2012, 03:45 PM
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94Lt1 in Buick

Quote:
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Or you can prepare yourself with a laptop, TunberPro RT software, Winflash from TunerCat and a cable and read your own codes and tune...
Thanks Eagle, not sure if i understand your solution.. Engine is out now, but i will use the ALDL connector in 52. I have a wiring diagram from another forum i am on . I tried to get code (flash) but it didn"t work... thanks Jim
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Old 10-19-2012, 06:49 PM
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Problem with running to parts store to read codes is, well, your not a Hot Rodder doing it yourself! But more importantly none I know of have equiptment to read OBDI codes anymore.

So you could buy a OBDI code reader. Or invest a little more for like a Auto Xray 7000 and do all OBDI and II for about $300.

But TunerPro RT software is free to try and only $39. We encourage everyone to pay so we get more updates. The software itself is incredible. Definition files are free and communitee written and can do all GM and lots more.

TunerPro does the scan end to read codes but also record data needed to tune with an ADX file. Then with an XDF file you can make changes to your bin (file in your PCM). I wrote the $EE/LT1 XDF and ADX files along with some others.

So with TP and a cable from laptop to ALDL port, about $50. you can not only scan for codes but record data needed to tune the PCM. Open your bin file, change it.

TunerCat WinFlash is the program to read and reflash your PCM for $20. Other OBDI GM vehicles have a chip that needs to be pulled, erased and programmed with a burner which costs about $100.

SO if you have a laptop and some time, for $110 you can read codes, record data adjust bin file and reflash PCM. Tune the PCM yourself. Now that's Hot Rodding!
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