P2198 Diagnostic Trouble Code Discussion for August 2010
Heated Oxygen Sensor (Bank 2 Sensor 1) Stuck Rich
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| Help Request | Posted | |
| 2006 Ford Mustang 4.0L Excessive Emissions, Poor Idle Quality, Hesitation, Stall, Misfire, Poor Fuel Economy, MIL Lamp on VIN: 1ZVHT80NX6 P2198: Afr/o2 signal stuck rich b2-s1. Hello everyone, Could use some help with this one. Car came in running extemely rough. Black smoke from tailpipe.Fuel pressure seems within spec 75 psi. Replace spark plugs, they were black, obviously running rich. I swapped out fuel pump driver module and fue... |
August 05, 2010 | |
| 2005 Ford F-350 Super Duty XL 5.4L Hesitation, Misfire, MIL Lamp on VIN: 1FTWW31545 P2198: Lack of H02 vSensor B2S1 Switch Indicates Rich. This truck intermittently falls on its face while accelerating, its happening more and more. Both 02 sensors stay at around .95V and short term fuel trim is -20%. Map sensor voltage is at 4.99V. Its like this thing cannot get enough air. I did find a TSB #07M0... |
August 31, 2010 |
