P2097 – Post Catalyst Fuel Trim System Too Rich Bank 1

Meaning:

The P2097 is triggered when there’s a rich condition (i.e. too little oxygen content) in cylinder #1
The P2097 is triggered when there’s a rich condition (i.e. too little oxygen content) in cylinder #1

There’s a rich condition (i.e. too little oxygen content) in cylinder #1.

Main Symptoms:

Possible Causes:

Diagnostic Steps:

  • Visually inspect wiring harnesses for broken, open, burnt or disconnected wires
  • Check the exhaust for leaks and damages
  • Pull all codes and freeze frame data. Reset the codes and do a test drive
  • If code P2097 returns check resistance of MAF sensor and O2 sensors. Replace as necessary

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