2007 Aveo Many Trouble codes don't have any idea what it is

[kmanglin]

I've check for vacuum leak don't hear any hissing here are the codes please put down any ideas thanks.

P2187
P2188
P0171
P0172
P0300
P0301
P0303
P0304
P0314

[2010AveoLT]

I've check for vacuum leak don't hear any hissing here are the codes please put down any ideas thanks.

P2187
P2188
P0171
P0172
P0300
P0301
P0303
P0304
P0314

The P0171 and P0172 are the codes for system lean/rich respectively, P0300 is for a random misfire, while P0301, 303, and 304 are for misfires on cylinders 1,3, and 4 respectively. The P2187/2188 is for a rich/lean condition on bank 1 and P0314 is also for a cylinder misfire, but the ECM can’t determine which cylinder.


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