P0172 Diagnostic Trouble Code Discussion for September 2012
Fuel System Rich (Bank 1)
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| Help Request | Posted | |
| 2010 GMC Sierra 1500 SLT 5.3L MIL Lamp on VIN: 3GTRKWE32A P0172: Rich Bank 1. This pickup came in with a P0300-P0172-P0175. There was a missfire on #1 cylinder, replace plugs & wires, cleared codes & test drove. With the scanner hooked up monitoring the 02s everything seemed OK. Checked for vacuum leaks & none were found. Fu... |
September 04, 2012 | |
| 2004 Ford E-350 Super Duty 5.4L Excessive Emissions, Hesitation, MIL Lamp on VIN: 1FTSE34L14 P0172: too rich bank1. This van got towed in. The sock on the bottom of the fuel pump disintegrated, jammed the pump and fried the pump and the driver module ahead of it. I replaced both along with fuel & air filters. All of the parts replaced were ford parts. The truck fired up... |
September 05, 2012 | |
| 2006 Chevrolet Express 3500 LT 6.0L Hesitation VIN: 1GCHG39U16 P0172: Fuel Trim System Rich (Bank 1). When van is hot misfire stumble once in a while plugs ok decarbonized system,anything common ...also did a crank relearn |
September 20, 2012 | |
| 2004 Kia Rio 1.6L Poor Idle Quality, Hesitation, MIL Lamp on VIN: KNADC12504 P0172: System Too Rich Bank 1. I'm getting some weird readings on my Genisys on this vehicle. MAF is reading 138.9 g/s at 125v-131v, however testing the MAF with a multimeter it tested .5v at idle and around 4.4 at about 3500rpm. We also tested the TPS with a multimeter and read fine as wel... |
September 20, 2012 | |
| 2002 Subaru Legacy L 2.5L Hesitation VIN: 4S3BH63582 P0172: Fuel System Too Rich (Bank 1). Car came in for low power, Per owner he went to exh shop for small leak in front of the muffler. The exh shop recommended a new front converter. Unknown reason. Customer states car a ran good until cat was replaced. There was one code PO172 Rich B1 when I go... |
September 26, 2012 |
