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2003 Mitsubishi Lancer OBD II scan code PO421

Tiny
MADHUR4
  • MEMBER
  • 2003 MITSUBISHI LANCER
Engine Performance problem
2003 Mitsubishi Lancer 4 cyl Front Wheel Drive Automatic

I have Mitsubishi lancer 2.0 2003. I am gettting DTC code P0421. Warm Up Catalyst Below Threshold (Bank 1). Is there any harm to the car in driving with engine light on for a long drive (2,000km).
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Friday, April 3rd, 2009 AT 12:19 PM

1 Reply

Tiny
BLUELIGHTNIN6
  • MECHANIC
  • 16,542 POSTS
The only issue this will cause to the performance of your vehicle is very poor fuel mileage. If you have to pass smog inspection tests then this will also cause you to fail the emissions test automatically.

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Friday, April 3rd, 2009 AT 1:45 PM

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