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ZZDaryl, Chevy Technician
Category: Chevy
Satisfied Customers: 12549
Experience:  28 year experience, Master Mechanic
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97 vortec 350 rough idle

Customer Question

97 vortec 350 rough idle
Submitted: 7 years ago.
Category: Chevy
Expert:  ZZDaryl replied 7 years ago.

This is a common problem on this vehicle, I would get the injection system professionally cleaned which includes the air intake/throttle plate area, the injector system and or the throttle plate area is usually what is causing this problem if a basic tune-up does not help the problem.

ZZDaryl and 5 other Chevy Specialists are ready to help you
Customer: replied 7 years ago.
code 1345 comes up that would be electrical, crank sensor/cam sensor
Expert:  ZZDaryl replied 7 years ago.
That code typically means the cam retard offset is out of adjustment so that should be set to start with, it could also mean there is a problem with the cam sensor or distributor.