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Mercury Engine Codes

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Engine Code Engine Code Description
P1151Lack of Upstream Heated Oxygen Sensor Switch - Sensor Indicates Lean - Bank No. 2
P1152Lack of Upstream Heated Oxygen Sensor Switch - Sensor Indicates Rich - Bank No. 2
P1157Lack of Downstream Heated Oxygen Sensor Switch - Sensor Indicates Lean - Bank No. 2
P1158Lack of Downstream Heated Oxygen Sensor Switch - Sensor Indicates Rich - Bank No. 2
P1220Series Throttle Control fault
P1224Throttle Position Sensor B out of Self-Test Range
P1230Open Power to Fuel Pump circuit
P1231High Speed Fuel Pump Relay activated
P1232Low Speed Fuel Pump Primary circuit failure
P1233Fuel Pump Driver Module off-line
P1234Fuel Pump Driver Module off-line
P1235Fuel Pump Control out of range
P1236Fuel Pump Control out of range
P1237Fuel Pump Secondary circuit fault
P1238Fuel Pump Secondary circuit fault
P1250Lack of Power to FPRC Solenoid
P1260Theft Detected - Engine Disabled
P1270Engine RPM or Vehicle Speed Limiter Reached
P1288Cylinder Head Temperature Sensor out of Self-Test Range
P1289Cylinder Head Temperature Sensor Signal Greater Than Self-Test Range
P1290Cylinder Head Temperature Sensor Signal Less Than Self-Test Range
P1299Cylinder Head Temperature Sensor Detected Engine Overheating Condition
P1309Misfire Detection Monitor not enabled
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