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Gary
Gary, Chevy Technician
Category: Chevy
Satisfied Customers: 16766
Experience:  15 years GM master tech
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Chevrolet trailblazer: P0300 and p2119 codes missing on cylinder

Customer Question

P0300 and p2119 codes missing on cylinder 1. Changed plugs checked compression swapped coil with cyl 6. Still missing cyl 1. 59 lbs fuel pressure at idle. ?
Submitted: 2 years ago.
Category: Chevy
Expert:  Gary replied 2 years ago.
if you clear the codes which one comes back first ?did this problem happen out of the blue one day ?was the throttle body touched at all ?
Customer: replied 2 years ago.

Throttle body never touched. been missing for a while. will clear codes and see which one comes back first. and yes just started missing one day and check engine light came on.

Expert:  Gary replied 2 years ago.
ok first lets see what code comes back firstif the 300 code does and its # ***** cylinder swap # ***** injector with # ***** and see if the skip moves