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About jeffrenee

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  • Toyota Model
    4 runner
  1. I cleaned the MAF and cleared the light by pulling the Neg bat terminal. I drove for about 2 weeks including about 100 highway miles with no light and then it came on again the other day. I am also noticing poor gas mileage. I am going to replace the MAF and see if that clears the problem. I am concerned because I am driving from Seattle to FLA in 3 weeks and don't want to see the CEL in the middle of BFN. If anybody has any ideas please let me know. Thanks; Jeff
  2. My check engine light came on the other day while I was driving on the highway. I called a couple shops and they said check the gas cap. The gas cap was fine so I took my 2000 4 runner into the shop. Two visits, one new o2 sensor and $350 bucks later the CEL came on again after driving on the highway for about 15 minutes. A lot of threads recommend cleaning the MAF. If that doesn't work anybody have any suggestions. Oh yeah, the error code from the OBDCII was P0171 - System to Lean (Bank 1)
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