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Ask GM Tech (Cam) Your Own Question
GM Tech (Cam)
GM Tech (Cam), Chevy Technician
Category: Chevy
Satisfied Customers: 15201
Experience:  GM Grand Master Technician 2007. 14 years experience.
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Thru code 0340, replaced cam position sensor. will not

Customer Question

thru code 0340 , replaced cam position sensor . will not start
JA: Does the engine turn over? How old is the battery?
Customer: all is good for basics
JA: What is the model/year of your Chevy?
Customer: 2002 W/lb7, 490000 mi and has new injectors. has been throwing blacvk smoke recently and have noticed loss of performance
JA: Are you hoping to fix this yourself? What have you tried so far?
Customer: am a 40 year vet mech but don,t have super knowledge on the lb7
JA: Anything else you think the mechanic should know?
Customer: ??????
JA: What confuses you?
Customer: My wife
JA: OK. Got it. I'm sending you to a secure page on JustAnswer so you can place the $5 fully-refundable deposit now. While you're filling out that form, I'll tell the Chevy Mechanic about your situation and then connect you two.
Submitted: 1 year ago.
Category: Chevy
Expert:  Kavey replied 1 year ago.

Hello. My name is ***** ***** I will be helping you today.

Theres a 38 pin connector on top of the driver side valve cover. Wiggle the wires around on it while someone is trying to start it and see if it starts then.