P0172 Diagnostic Trouble Code Discussion for July 2011
Fuel System Rich (Bank 1)
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| Help Request | Posted | |
| 1998 Jaguar XJ8 4.0L Excessive Emissions VIN: SAJHX1246W P0172: System too rich Bank 1. This vehicle was driven in running poorly with strong smelling exhaust, Restricted Performance displayed & Check Engine light on w/codes P-0172, P-0174 & P-0151. STFT's pretty much maxed out @ 19.5 in each direction in line with fault codes. I unplugge... |
July 05, 2011 | |
| 2004 Chevrolet Trailblazer LS 4.2L MIL Lamp on VIN: 1GNDT13S84 P0172: Fuel System Rich (Bank 1). This vehicle came in for SES light no driving concerns. Unit was not getting up to temp, replaced thermostat to get temp upto spec, t-stat was visibly stuck open. Tested and replaced secondary air pump shutoff valve-ok. Now the big problem we are having is tha... |
July 07, 2011 | |
| 2007 Honda Civic Si 2.0L MIL Lamp on VIN: 2HGFG21597 P0172: Fuel System Too Rich (Bank 1). ... on with code p0172- too rich. Freeze data is: load 35.68%, ect 73c, STFT -20.31, LTFT -20.31, MAP 38KPa engine speed 909rpm, vehicle speed 0kph, timing [...], IAT 43c, TPS 14.11%, At idle map 0.86v, maf 1.14v, tp 0.65v, AFFB (STFT) 0.77, AFFB (LTFT) 0.80 F... |
July 18, 2011 | |
| 2001 Chrysler LHS 3.5L Excessive Emissions, Poor Idle Quality, MIL Lamp on VIN: 1FP21GH123 P0172: Fuel System Rich (Bank 1). ... customer. I pulled all the coils and plugs to inspect and dry the boots and coils and checked plugs. Used dielectric grease and cured P0304. Removed a mouse nest from air box, but P0172 resets. Replaced bank 1 sensor 1 due to a slow switching issue, but it... |
July 26, 2011 | |
| 2001 Dodge Durango 4.7L No Start, Poor Idle Quality, Stall, Poor Fuel Economy, MIL Lamp on VIN: 1B4HS28NXY P0172: Fuel System Rich (Bank 1). Engine will stall at idle. When key is on and engine off, engine will flood immeaditley. Tachometer will bounce around rapidly every time car stalls. |
July 27, 2011 | |
| 2000 Pontiac Grand Am SE 2.4L Poor Idle Quality VIN: 1G2NF52T9Y P0172: Fuel System Rich. I have this Grand Am that has poor idle when hot, sft are high 20 & o2 reading is high .9v , I tried swapping map sensor, checked temp sensors ok , fuel pressure about 35 psi bleed down drops about 5-10 right away then holds, no misfires shown on solus. I ... |
July 29, 2011 |
