2012 Mazda MAZDA3 TSB 10097863

Mazda TSB #01-024-12-2729

2012 Mazda MAZDA3

TSB Document:

Affected Component: FUEL SYSTEM, OTHER:DELIVERY:FUEL PUMP

Summary
ON CERTAIN 2012 MAZDA3 VEHICLES, WHEN USING HIGH EVAPORATIVE WINTER FUEL, IF THE VEHICLE IS STOPPED AND IDLING FOR LONGER THAN 20 MINUTES, THERE IS A POSSIBILITY THAT THE FUEL INSIDE THE HIGH-PRESSURE FUEL PUMP MAY BE RAISED TO A HIGHER TEMPERATURE THAN USUAL. IF THE FUEL TEMPERATURE IS HIGHER THAN THE FUEL VAPOR TEMPERATURE, THE FUEL SUPPLY TO THE INJECTOR MAY BE INSUFFICIENT AND POTENTIALLY CAUSE ONE OF THE FOLLOWING CONDITIONS: • THE VEHICLE MAY EXPERIENCE ROUGH IDLE AND/OR THE MALFUNCTION INDICATOR LIGHT (MIL) MAY ILLUMINATE WITH DTC P0191:00 (FUEL PRESSURE SENSOR CIRCUIT RANGE/PERFORMANCE PROBLEM) STORED IN THE PCM MEMORY. • THE ENGINE MAY STALL DURING STOP AFTER IDLING FOR A LONG TIME, AND MAY NOT RESTART FOR A CERTAIN PERIOD OF TIME.

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Date Published
NOV 01, 2012
NHTSA TSB #
10097863
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