Check engine light
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New User
Joined: Aug 2003
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Check engine light
I have a 98 Ford F-150 4.6L V8. The check engine light has been on for about 9 months now. The code is saying "Lean on Bank two" I was told it was my oxygen sensors so, I replaced all 4 of them. The light came back on a week later. Any suggestions on what would be causing the light to come on? 
Last edited by bterv; Aug 7, 2003 at 11:16 AM.
Freshman User
Joined: Oct 2000
Posts: 28
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From: east
Check engine light
Could be vacumn leak or MAF sensor could be dirty or bad The MAF sensor is located inside the airfilter tube just take the clamp loose and look inside the motor sideof the filter box an unsnap the inside cover and it will come out an the sensor will be on it it will take a tamper proff T20 bit to take the sensor off it will have two small wires on it very gently try cleaning them. brake or carb cleaner works bestcareful not to damage the wires or you will ruin the sensor. If they are dirty it will set a lean bank code. corey
