P1133 Diagnostic Trouble Code Discussion for October 2006
Heated Oxygen Sensor (Bank 1 Sensor 1) Insufficient Switching
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| Help Request | Posted | |
| 1998 Buick LeSabre Custom 3.8L MIL Lamp on VIN: 1G4HP52K8W P1133: Heated Oxygen Sensor (Bank 1 Sensor 1) Insufficient Switching. ... some help with this one. it had a new engine installed a year ago. it came back with mil on with codes po306 & p1133.found a bad plug wire and checked the o2's, graphed while driving, switched from .200-.800.cleared codes, drove for 2 days no codes.cus... |
October 10, 2006 | |
| 2004 Chevrolet Trailblazer EXT LT 4.2L Poor Fuel Economy, MIL Lamp on VIN: 1GNET16S94 P1133: insufficient switching. Vehicle has been here 3 times for same codes. First time we sent customer to Dealer for reprogram. Replaced [...] next two times. Fuel pressure is 47 psi(ok per shopkey). Was told by OEM parts dept that this eng does not have a PCV valve. Is anyone else having... |
October 17, 2006 | |
| 1998 Chevrolet S10 LS 2.2L MIL Lamp on VIN: 1GCCS1941W P1133: Heated Oxygen Sensor (Bank 1 Sensor 1) Insufficient Switching. ... sensor switch test. Looking at the O2 sensor on a Labscope the voltage readings go below .1v and above .9v and has a switch ratio of 3Hz at 2000 RPM's. During the testing of this truck the switch counter never came off of 1. After 15 minutes of running at ... |
October 19, 2006 | |
| 2000 Daewoo Nubira SE 2.0L MIL Lamp on VIN: KLAJC52Z8Y P1133: o2 not switching frequently enough. this awesome car came to us with p1133 in memory. graphing on a road test showed the waveform gravitating close to bias voltage at a steady cruise. the sensor was replaced (bosch), and the same characteristics remain. on heavy accel or decell, the voltages wil... |
October 26, 2006 | |
| 1999 Lexus ES300 3.0L Poor Idle Quality, Hesitation, MIL Lamp on VIN: JT8BF28G5X P1133: Air Fuel Ratio Sensor (Bank 1 Sensor 1) Slow Response. After the car has been driven for 3 to 6 miles, on slight accel. it hesitates. A few times at a stoplight at idle it starts to run rough also. Then the check engine lite comes on and p1354 sets and also the trac off lite comes on, which I think is normal for t... |
October 31, 2006 |
