Check Engine Light due to code P0134 and/or P0154 on Mitsubishi Outlander

The Check Engine Light may illuminate with a stored code P0134 and/or P0154. Our technicians tell us a powertrain control module (PCM) software update is available to correct this concern.

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Average mileage: 230,000 (230,000–230,000)
Exhaust & Emissions affected: 2.4L 4 Cylinder
2 model years affected: 2003, 2006
4 people reported this problem
1 person shared problem details
The check engine light came on and when I had it tested I got the code PO134 but I also tightened the gas cap then the light went off... For now anyway.
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