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P0172 Diagnostic Trouble Code Discussion for June 2014

Fuel System Rich (Bank 1)

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Trouble Ticket Help Requests for DTC P0172
Help Request Posted
2006 Land Rover LR3 SE 4.4L MIL Lamp on VIN: SALAE25476
P0172: Rich Bank 1. This LR3 will run rich and misfire every time after filling the fuel tank. I will run rough and some times completely die while driving after filling the gas tank. It happens 9 out of 10 times. After running for a little bit (burning fuel off) it will run fine...
June 02, 2014
2008 Chevrolet Silverado 1500 WT 4.3L Excessive Emissions, Poor Idle Quality, Surge, Poor Fuel Economy, MIL Lamp on VIN: 1GCEC19X58
P0172: Fuel trim rich bank 1. Hello all need some help, this truck came in running a little rough with check engine light on and reduced engine power light on. Scanned for codes and i pulled 11 codes the 6 noted below plus 5 more. The additional ones are p0106 map sensor performance, p0121...
June 03, 2014
2010 Nissan Titan PRO-4X 5.6L MIL Lamp on VIN: 1N6AA0EC4A
P0172: fuel system rich bank 1. Trucks in the shop with rich codes bank 1 and 2. Codes set 196 miles ago. Checked fuel pressure and MAF sensor operation. Both checked out good. Currently fuel trims at idle sit at -7.8% bank 1, -5.4% bank 2. Off idle both banks average about 0.9%. Looking at ...
June 14, 2014