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P0172 Diagnostic Trouble Code Discussion for October 2017

Fuel System Rich (Bank 1) *

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Trouble Ticket Help Requests for DTC P0172

	Help Request	Posted
	2012 BMW 528i 2.0L Excessive Emissions, Poor Idle Quality, Cuts out, Misfire, MIL Lamp on VIN: WBAXG5C5XC P0172: mixture to rich. Came in with misfire faults on all cylinders. Swapped plugs and coils and faults did not follow. used ISTA test plan and it failed injectors. Replaced all injectors (with proper injectors from test plan) and coded new flow rates to the dme. Cleared faults an...	October 02, 2017
	2006 Ford F-150 XLT 4.2L Misfire VIN: 1FTRF12246 P0172: rich bank 1. I have checked spark. ie plugs, wires, coil. replaced 1 injector then flowed all good fuel pressure koer 40 psi. checked manual compression number 1 180 psi. all others with 20 psi of number 1. egr dpfe 0,5. removed valve cover no damage noted springs, push ro...	October 06, 2017
	2006 Ford Explorer Eddie Bauer 4.0L Poor Idle Quality, MIL Lamp on, long term fuel trims VIN: 1FMEU74E86 P0172: Lean bank 1. This vehicle came from several other shops. Start vehicle and after 2-3 minutes of running, idle starts to get rough and fuel trims climb to 28 on both banks. Runs great off idle. With both banks compression being good and equal, i have hard time believing tim...	October 25, 2017
	2006 Ford Explorer Eddie Bauer 4.0L Poor Idle Quality, MIL Lamp on, long term fuel trims VIN: 1FMEU74E86 P0172: Lean bank 1. This vehicle came from several other shops. Start vehicle and after 2-3 minutes of running, idle starts to get rough and fuel trims climb to 28 on both banks. Runs great off idle. With both banks compression being good and equal, i have hard time believing tim...	October 26, 2017
	2012 Mazda 3 i 2.0L Poor Idle Quality, Cuts out, Stall, MIL Lamp on VIN: JM1BL1V8XC P0172: Fuel system too rich. Mazda 3 skyactic with 38,000 miles very hard starting and when it does will stall out unless your on the gas. After started vehicle will stay running but idles very rough. Doesn't seem to have any drivabiliy problems driving down the road mainly at start up an...	October 27, 2017