P0172 Diagnostic Trouble Code Discussion for February 2017
Fuel System Rich (Bank 1)
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| Help Request | Posted | |
| 2007 BMW 530xi 3.0L MIL Lamp on VIN: WBANF73537 P0172: system too rich B1. This car has no dipstick-Im trying to determine if the crankcase pressure is too high causing too high vacuum although according to freeze frame fault happened at 60 mph.Whenever I crack open the oil cap I hear and feel a lot of vacuum (loud suction sound) Doe... |
February 01, 2017 | |
| 1999 Ford F-350 Super Duty Lariat 6.8L MIL Lamp on VIN: 1FTWX33S9X P0172: fuel trim low bank 1. vehicle came in for a check engine light no running complaint. test drive revealed harsh light throttle upshift and later than normal shft sequence, customer had not noticed. test drive notes on scan tool: engine load pid was very aggressive going to approx 40... |
February 01, 2017 |
