16490/P0106/000262 - Manifold / Barometric Pressure Sensor (G71) / (F96): Implausible Signal 
Possible Symptoms 
Erratic Idle 
Possible Causes 
Wiring and/or Connections from/to Manifold/Barometric Pressure Sensor (G71)/(F96) faulty 
Leak in Air Intake and/or Exhaust 
Manifold/Barometric Pressure Sensor (G71)/(F96) faulty 
Engine Control Module faulty 
Possible Solutions 
Check Engine Control Module Software Version 
See Special Notes for Details 
Check Timing 
See Special Notes for Details 
Check Wiring and/or Connections from/to Manifold/Barometric Pressure Sensor (G71)/(F96) 
Check for Leak in Air Intake and/or Exhaust 
Check/Replace Manifold/Barometric Pressure Sensor (G71)/(F96) 
Check/Replace Engine Controle Module 
Special Notes 
On certain smaller Engines we've seen cases where a buggy Engine Control Unit Firmware can cause these fault codes, additionally there are known Problems with the Timing Chain Tensioners which can also result in these fault codes. Please refer to the related TPL/TSB for more instructions.