Mercury Marquis P Codes (Powertrain) P0100 - P0199 P0136

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1997 Mercury Marquis P0136

1997 MERCURY MARQUIS
Replaced O2 Sensor Bank 1, #2. Reset. After 100 Mile Drive And 2-3 On Cycles Problem Came Back. Reset Again And Problem Comes Back. Checked...
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Asked by engr

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