Originally posted by HITMANinMI:
P0172 System Too Rich - Bank No. 1.

I think your getting to much gas into the engine.







It's a 95.

172 (R,M) Oxygen sensor not switching - system is or was lean - Single, Right or Rear HO2S - Fuel control


"Those who cannot remember the past are condemned to repeat it" -George Santayana