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P0172 Diagnostic Trouble Code Discussion for March 2013

Fuel System Rich (Bank 1)


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Trouble Ticket Help Requests for DTC P0172
Help Request Posted
1999 Chevrolet Tahoe 5.7L Poor Idle Quality, Hesitation VIN: 3GNEK18RXX
P0172: Fuel Trim System Rich (Bank 1). Hello all, need some help here. Vehicle came in for poor performance. Determined #7 cylinder leakage through exhaust valve. Removed cylinder heads and found severly bent exhaust vavle, performed valve job and reinstalled. After repair we noticed it running n...
March 01, 2013
2007 Chevrolet Silverado 1500 WT 5.3L MIL Lamp on VIN: 3GCEK13387
P0172: Fuel Trim System Rich (Bank 1). Bank 1 and 2 read rich mostly at idle LT -8 MAF 4.9-5.5 @idle. Reset fuel comp and trim, cleaned maf no change. fuel pressure good air filter good cleaned throttle body
March 05, 2013
2001 Hyundai XG300 3.0L Poor Idle Quality, Hesitation, Cuts out, Stall, Misfire, Poor Fuel Economy
P0172: Fuel System Too Rich (Bank 1). ... a P1191, P1193, P0120, and P0220. Came back last week and I got it. Codes were P1191 and P1193 soft codes, P0172 and P0175 pending codes. Unstable idle resulting in stall, bogs down on...
March 07, 2013
2001 Pontiac Grand Prix GT 3.8L MIL Lamp on VIN: 1G2WP52K01
P0172: Fuel System Rich (Bank 1). Car came in for check engine light p0172, check the fuel pressure regulator and was leaking, replaced cleared code and let car go. One week later the light is back on and is for the same code. Checked other post on iatn and found one post about a cat gutted ou...
March 07, 2013
2001 Hyundai XG300 3.0L Poor Idle Quality, Hesitation, Cuts out, Stall, Misfire, Poor Fuel Economy
P0172: Fuel System Too Rich (Bank 1). ... a P1191, P1193, P0120, and P0220. Came back last week and I got it. Codes were P1191 and P1193 soft codes, P0172 and P0175 pending codes. Unstable idle resulting in stall, bogs down on...
March 09, 2013
2002 Subaru Outback 2.5L Poor Idle Quality, Hesitation
P0172: Fuel System Too Rich (Bank 1). poor performance at start from stop. poor idle
March 16, 2013
2002 Dodge Stratus SE 2.4L MIL Lamp on VIN: 1B3EL36X22
P0172: Fuel System Rich (Bank 1). ... Dodge Stratus with a p0172 code engine runs rich fuel indicating runs rich always checked 02 sensor signal switches good between 100 and 800 mv car runs great besides just having this code .Checked pcm for updates ,has the latest updates. Relaced 02 sensor...
March 18, 2013
1999 Plymouth Breeze 2.4L Excessive Emissions, Poor Idle Quality, Hesitation, Cuts out, Stall, Poor Fuel Economy, MIL Lamp on VIN: 1P3EJ46X3X
P0172: Fuel System Rich. Diagnostics showed a p0172 code,smoked intake and found no leaks. Did see map/maf reading low vacuum 7-8 inches, so i verified vacuum with a gauge and had 18 in. but it fluttered slightly. replaced sensor and now reads ok. did injector balance test and cylinde...
March 27, 2013