P0172 Diagnostic Trouble Code Discussion for July 2016
Fuel System Rich (Bank 1)
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| Help Request | Posted | |
| 2000 Ford F-250 Super Duty Lariat 5.4L Excessive Emissions, Poor Idle Quality, Surge, Cuts out, Stall, Misfire, Poor Fuel Economy VIN: 1FTNX20L5Y P0172: system too rich bank 1. ok truck is running rich, you can smell it from the tail pipe and its backfiring, fuel trim is 25- on bank one and drops to 0 under load and fuel trim on bank 2 is 25+ and drops down to 0 under load as well, problem is intermittent, I pulled the vacuum hose of... |
July 13, 2016 | |
| 2012 GMC Terrain SLT 2.4L Poor Fuel Economy VIN: 2GKALMEK5C P0172: Fuel system rich. Hi Everyone i need some help w/this vehicle this is beating me big time, at normal operating at idle or under loud the fuel terms are very rich at idle ST is at (+-4) the LT is (-35) at 3000 RPM ST is at ( +-3) the LT is at (-25) i have replace the oil and fil... |
July 14, 2016 | |
| 2006 Audi A3 2.0L MIL Lamp on VIN: WAUMF78P56 P0172: Generic system rich. ... in with the check engine light on for (P0172 and P2188)rich/rich at idle codes and a pressure drop between throttle valve/turbo(P1297). The freeze frame data only showed long term fuel trims of -3%. The current fuel trims... |
July 20, 2016 | |
| 2012 Ford Focus Titanium 2.0L MIL Lamp on VIN: 1FAHP3N27C P0172: . ... is on had bad speed sensor harness and wheel bearing got fixed , came back later for bad purge solenoid p144a the purgesolenoid fixed the code thenit came again for fuel rail pressure codes replaced the direct injection pump and that was the fix , few week... |
July 29, 2016 |
