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Gary
Gary, Chevy Technician
Category: Chevy
Satisfied Customers: 16399
Experience:  15 years GM master tech
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Did my head gasket on a 93 350 i have one plug i can't find

Customer Question

did my head gasket on a 93 350 i have one plug i can't find where it goes. runs good at startup and than keeps stalling when hot. the wires are blue and purple its a2 wire plug comes out of harness its not EGR or IAC
Submitted: 1 year ago.
Category: Chevy
Expert:  Gary replied 1 year ago.

I am sorry for the long wait

can you up load a picture of the connector and the location ?

Customer: replied 1 year ago.
Here is a picture
Expert:  Gary replied 1 year ago.

how does the truck run ?

any check engine light or any codes set ?

Customer: replied 1 year ago.
Start up fine than starts to stall when warm be check engine light have not checked codes
Expert:  Gary replied 1 year ago.

it is hard to say what the connector is for and from it looks of it with the dust inside it this connector may have never been connected up to anything

see what the codes are