does anyone know how can i make an ECM code reader ???

 

wal mart.around 10 bucks I think I paid for mine. Any GOOD auto parts store should have one too.

 

AZ, nappy, trash auto, schlep boys, they all should have the GM code keys free, or use a paper clip

 

I paid $30 w/tax for a hand held scanner w/code busting book, with tips how to repair or understand what you are attempting to do.
Overpaid?
Maybe.
But, it did help me understand what I had going on with ecms & such.
It's an "Actron" Brand from Autozone.

------------------
Chat Soon,
KED85
Karl
1985 Firebird 2.8 to 3.4 swap project for Smog Happy LA, CA

 

its as easy as just using a paper clip....forget about the cash.

 

thanks for the advice
and one more question let me know if i got this right
Long flash of the check engine light = 10
short flash = 1
right?

 

yea, you got it. for every long flash go up ten....10, 20, 30.....and every short flash add 1 to the previous numner, 11, 21, 31....etc....then check the haynes reference chart and see whatcha got