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P1152 Diagnostic Trouble Code Discussion for February 2010

Air Fuel Sensor (Bank 1 Sensor 1) Range/Performance (Low)

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Trouble Ticket Help Requests for DTC P1152
Help Request Posted
2001 Mercury Cougar 2.5L Misfire, MIL Lamp on VIN: 1ZWFT61L11
P1152: Lack of H20 - B2 S1 switch indicates rich. ... possible., but codes stored previous to coming into our shop were gone due to a dead battery. This cougar came in with a misfire. Found an obvious upper plenum gasket leak. Removed the plenum and found the gasket melted at cyl. #3 and the IMRC flapper plat...
February 05, 2010