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P0133 Diagnostic Trouble Code Discussion for April 2018

Heated Oxygen Sensor (Bank 1 Sensor 1) Slow Response


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Trouble Ticket Help Requests for DTC P0133
Help Request Posted
1998 Ford Expedition Eddie Bauer 4.6L Excessive Emissions, Poor Idle Quality, Hesitation, Surge, Misfire, MIL Lamp on VIN: 1FMRU18W2W
P0133: oxygen sensor b1s1 slow response. Vehicle received running poorly with multiple codes. Scanner showed no activity on the two front sensors and would stay in open loop. Sprayed carb cleaner into vacuum line and vehicle performed much better, front oxygen sensors began switching and went int...
April 13, 2018
2007 Dodge Ram 1500 TRX4 5.7L MIL Lamp on VIN: 1D7HU18247
P0133: O2 sensor 1/1 slow response. truck has no driving or running problems. verified problem with scan tool showing poor reading on graph. o2 sensor on bank 2 read good. voltage reading at plug are correct. smoke tested exhaust, no leaks. smoke tested intake, only leak was around egr (whic...
April 14, 2018
1998 Ford Expedition Eddie Bauer 4.6L Excessive Emissions, Poor Idle Quality, Hesitation, Surge, Misfire, MIL Lamp on VIN: 1FMRU18W2W
P0133: oxygen sensor b1s1 slow response. ... multiple codes. Scanner showed no activity on the two front sensors and would stay in open loop. Sprayed carb cleaner into vacuum line and vehicle performed much better, front oxygen sensors began switching and went into closed loop. I'm assuming a va...
April 14, 2018