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P2178 Diagnostic Trouble Code Discussion for January 2013

Fuel System Too Rich At Off Idle


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Trouble Ticket Help Requests for DTC P2178
Help Request Posted
2007 Mazda CX-7 Touring 2.3L Hesitation, Misfire, Poor Fuel Economy, MIL Lamp on VIN: JM3ER29L37
P2178: Fuel System Too Rich At Off Idle. ... P2178 and P2188. Customer subsequently took vehicle to dealer on the basis of emissions warranty. Dealer Diagnosed failed turbo charger and air fuel sensor but declined warranty based on previous vehicle history with Mazda for engine sludge. Engine appears...
January 28, 2013
2007 Mazda CX-7 Touring 2.3L Hesitation, Misfire, Poor Fuel Economy, MIL Lamp on VIN: JM3ER29L37
P2178: Fuel System Too Rich At Off Idle. ... P2178 and P2188. Customer subsequently took vehicle to dealer on the basis of emissions warranty. Dealer Diagnosed failed turbo charger and air fuel sensor but declined warranty based on previous vehicle history with Mazda for engine sludge. Engine appears...
January 28, 2013