P0172 Diagnostic Trouble Code Discussion for November 2011
Fuel System Rich (Bank 1)
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| Help Request | Posted | |
| 2009 Hyundai Accent GL 1.6L MIL Lamp on, subtractin fuel trim P0172: sys. too rich bank1. Hi gang,This was off our used car lot,we got it@ auction 3 wks. ago,had ck. eng lite for fuel system too rich@ Idle=p2118,+ po172 Bank1 sys. too rich. Watched short + Long term fuel trims= Both long+short look good when cruising or accellerating,But when sitti... |
November 01, 2011 | |
| 2009 Hyundai Accent GL 1.6L MIL Lamp on, subtractin fuel trim P0172: sys. too rich bank1. Hi gang,This was off our used car lot,we got it@ auction 3 wks. ago,had ck. eng lite for fuel system too rich@ Idle=p2118,+ po172 Bank1 sys. too rich. Watched short + Long term fuel trims= Both long+short look good when cruising or accellerating,But when sitti... |
November 02, 2011 | |
| 2010 Chevrolet Equinox LT 2.4L MIL Lamp on VIN: 2CNFLEEW9A P0172: Fuel Trim System Rich. ... that is direct injected. It keeps setting a P0172 Rich code. Watching fuel trims with the GDS 2 (MDI) it is showing between -15 and -25 at all times (Idle or off idle). The low pressure fuel system is showing 50ish psi both desired and actual. The high pre... |
November 03, 2011 | |
| 1998 Ford Ranger Splash 3.0L Excessive Emissions, Poor Idle Quality, Poor Fuel Economy, MIL Lamp on VIN: 1FTZR15U0W P0172: rich bank 1. Hey guys (& gals), this Ford is kicking our collective butts!! 3.0 V-6 running rich, verified with gas analyzer. Fuel regulator not leaking. Cannister purge okay (no change when line was clamped off). Tried MAF, no change (Napa reman & Ford reman). Eng... |
November 03, 2011 | |
| 1998 Ford Ranger Splash 3.0L Excessive Emissions, Poor Idle Quality, Poor Fuel Economy, MIL Lamp on VIN: 1FTZR15U0W P0172: rich bank 1. Hey guys (& gals), this Ford is kicking our collective butts!! 3.0 V-6 running rich, verified with gas analyzer. Fuel regulator not leaking. Cannister purge okay (no change when line was clamped off). Tried MAF, no change (Napa reman & Ford reman). Eng... |
November 07, 2011 | |
| 1998 Buick Century Custom 3.1L Poor Fuel Economy, MIL Lamp on P0172: Fuel System Rich. ... cetury,3.1 engine, has code p0172 (rich) and code p0446 (evap vent problem) it gets bad fuel milage, i have seen on here that a bad ftp sensor can cause p0446 (it already has a new vent selonid) ftp pid is at 4.3 volts koeo, fuel trim at idle is -25, i can... |
November 16, 2011 | |
| 2001 Toyota Camry CE 2.2L Excessive Emissions, MIL Lamp on VIN: 4T1BG22K31 P0172: Fuel System Too Rich (Bank 1). ... light on, P0172, and P0420. The spark plugs had not been replaced and they were wore out. Had them replaced and also install a cat. Drove the car for a test drive no problem, after the car sit in the lot for couple of hours and we had to move it the check ... |
November 19, 2011 | |
| 1998 Buick Century Custom 3.1L Poor Fuel Economy, MIL Lamp on P0172: Fuel System Rich. ... cetury,3.1 engine, has code p0172 (rich) and code p0446 (evap vent problem) it gets bad fuel milage, i have seen on here that a bad ftp sensor can cause p0446 (it already has a new vent selonid) ftp pid is at 4.3 volts koeo, fuel trim at idle is -25, i can... |
November 27, 2011 |
