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Dan, Technician
Category: Buick
Satisfied Customers: 23949
Experience:  Independent Shop Experience, 2 Year Automotive Diploma, & Access to Information Database
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How to program a ecm for a 2002 Buick LeSable 3.8, yes but a

Customer Question

how to program a ecm for a 2002 Buick LeSable 3.8
JA: Are you fixing your LeSabre yourself? What have you tried so far?
Customer: yes but a crank shaft sensor on it and got a refurbushed EMC on Ebay it programmed to the vin
JA: Does the vehicle stall at low speeds? Does it sputter?
Customer: doen't run
JA: Anything else you want the mechanic to know before I connect you?
Customer: had spark but to injector fire
Submitted: 8 months ago.
Category: Buick
Expert:  Dan replied 8 months ago.

Hello, my name is ***** ***** I'm here to help get your problem solved.

Expert:  Dan replied 8 months ago.

Have you tried the 30 minute relearn?

Customer: replied 8 months ago.
before I tried to change the PCM it had ignition spark and no injector pulse now I have nothing, need to know the process for relearning the PCM or any other suggestions
Customer: replied 8 months ago.
tryed it but the directions gave me a 20 minute one, the other question being do I need to turn the key of them go to star mode in between each process?
Expert:  Dan replied 8 months ago.

Here is the 30 minute relearn, let me know how it goes. Yes you do bump key in start position each time. Let me know, thanks.


Customer: replied 8 months ago.
now it will crank but still no spark or injector pulse, dos the crank sensor have to be relearned
Customer: replied 8 months ago.
do the cam sensors ever go bad
Customer: replied 8 months ago.
Posted by JustAnswer at customer's request) Hello. I would like to request the following Expert Service(s) from you: Live Phone Call. Let me know if you need more information, or send me the service offer(s) so we can proceed.
Expert:  Dan replied 8 months ago.

Cam sensor wouldn't effect spark and either would security system so it sounds like either problem with ignition module or crank sensor. Parts store can test ignition module.