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P0231 Diagnostic Trouble Code Discussion for March 2012

Fuel Pump Feedback Circuit Low Voltage

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Trouble Ticket Help Requests for DTC P0231
Help Request Posted
1997 Mercury Tracer LS 2.0L No Start VIN: 1MELM13P9V
P0231: Fuel pump secodary circuit low input. We have an intermittant problem of a no start 2 to 3 times a week, we have not been able to reproduce the problem in 4 days of testing. the customer drives the car to work or school and the car will not start after it sits a few hours, they come back 2 hours l...
March 01, 2012