Dtc Codes P0175b & P0300b 2007 Silverado 5.3 Flex Fuel Truck

[ziptow]

Have a 2007 Chevy Silverado 4X4 pickup (old style Classic) Vin Z (Flex-fuel 5.3 engine).

 

Truck has 19,000 miles and just started coding P0175B Bank 2 System Too Rich and P0300B Multiple Misfire Detected. (With pending repeat codes)

 

Can feel it running rough at idle, runs good at hwy speeds.

 

Air cleaner is clean, putting out 60lbs PSI on fuel rail. Sprayed the throttle body throttle plate with 3M cleaner ..but still runs a bit rough.

 

????

 

Have any ideas ? Would this emmisions related repair still be under warranty?

[redvett]

Sit down and read your owners manual. You have a 3 year 36000 mi bumper to bumper warranty so just go to the dealership.

[ziptow]

Sit down and read your owners manual. You have a 3 year 36000 mi bumper to bumper warranty so just go to the dealership.

 

 

It was water in the fuel...I'm sure the dealer would have charged me to tell me that (ie not covered by warranty).