Which step should be performed LAST when diagnosing an engine ...

[@Brianna17]

Question 1

Which pins of the DLC should be connected in order to retrieve "flash" codes from a GM OBD I PCM?
◦ A and B
◦ A and C
◦ D and E
◦ A and D

Question 2

Which step should be performed LAST when diagnosing an engine performance problem?
◦ Checking for any stored diagnostic trouble codes
◦ Checking for any technical bulletins
◦ Performing a thorough visual inspection
◦ Verifying the repair

[Jossy]

Answer 1

A and B

Answer 2

Verifying the repair

[@Brianna17]

Wow, this really help

[tanna.moeller]

Great answer, keep it coming