1228746 ECM Information $61 This ECM was used in 1989 to 1992 F and B Cars, LO3 (5.0L) and LO5 (5.7L) engines.

Some B cars, Caprice, Buick etc... used 16136965 $62

Click Here for details on how to read error codes known as Check Engine Light (CEL) or Service Engine Soon (SES) can be found in this thread.


*Work in progress*