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P1237 Diagnostic Trouble Code Discussion for July 2011

Fuel Pump Secondary Circuit Malfunction

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Trouble Ticket Help Requests for DTC P1237
Help Request Posted
1999 Mercury Cougar V6 2.5L No Start VIN: 1ZWFT61L9X
P1237: fuel pump secondary circuit. This car was towed in,customer was driving it and it powered out and died.Car was towed to me and I checked for fuel pump power up when key turned on.Could not hear pump running,so popped up the back seat to access wiring harness to pump and found no power get...
July 05, 2011
1999 Audi A4 Quattro 2.8L Poor Idle Quality, Surge, MIL Lamp on VIN: WAVED28D8X
P1237: open injector circuit intermittent cyls 1-6. car came in with engine surging and check engine light on, multiple codes, cleared codes and p1545 throttle valve controller malfunction. I have a modis, did a throttle valve relearn with no fix. went to do a throttle valve adaption but its asking me for a 3 n...
July 07, 2011