P0153 Diagnostic Trouble Code Discussion for December 2009
Heated Oxygen Sensor (Bank 2 Sensor 1) Slow Response
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| Help Request | Posted | |
| 1997 BMW 740i 4.4L MIL Lamp on VIN: WBAGF832XW P0153: 02 sensor slow response B2 S1. ... and found lean codes for bank 1 and 2. No other codes. Smoke checked and found the intake rear cover and the pcv tube under the intake leaked badly. Removed manifold and replaced pcv tube, all gaskets and the rear cover.Smoke checked again-all ok. Cleared ... |
December 30, 2009 |
