Fault code 29F3

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Paul34m
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Posts: 17
Joined: Mon Apr 24, 2017 8:34 pm

Fault code 29F3

Post by Paul34m » Sun Oct 22, 2017 7:53 pm

Hi all
I have a BMW 1 116i on a 08 Plate. I keep getting the EML coming on and goes off storing the following info.
Carly for BMW - detailed Fault-Code Log

Found Faults:
--Engine / Motor--
*** 29F3:Electrical fault fuel pressure sensor ***
Fault-Set 1 - ( 109896 km)

Engine speed: 32.00 rpm
Fuel pressure before Mengensteürventil: 6426.00 hPa
Fuel tank level: 9.00 l
Voltage of fuel pressure sensor before Mengensteürventil: 4.71 V

Fault-Set 2 - ( 109896 km)

Engine speed: 256.00 rpm
Fuel pressure before Mengensteürventil: 6426.00 hPa
Fuel tank level: 1.00 l
Voltage of fuel pressure sensor before Mengensteürventil: 4.71 V

Fault-Set 3 - ( 109936 km)

Engine speed: 32.00 rpm
Fuel pressure before Mengensteürventil: 6426.00 hPa
Fuel tank level: 1.00 l
Voltage of fuel pressure sensor before Mengensteürventil: 4.55 V

*** 2EF5:Map thermostat control: Short circuit to positive ***
Fault-Set 1 - ( 109896 km)

Coolant temperature Radiator outlet: 125.50 °C
engine status: 3.00 0-n
engine temperature: 133.00 °C
Voltage cl. 87: 14.52 V

Fault-Set 2 - ( 109896 km)

Coolant temperature Radiator outlet: 130.00 °C
engine status: 5.00 0-n
engine temperature: 137.50 °C
Voltage cl. 87: 14.12 V

Fault-Set 3 - ( 109928 km)

Coolant temperature Radiator outlet: 88.00 °C
engine status: 3.00 0-n
engine temperature: 95.50 °C
Voltage cl. 87: 12.90 V

*** 2A87:Exhaust Vanos variable cam control test, mechanical ***
Fault-Set 1 - ( 109904 km)

(Motor) -Öltemperatur: 55.00 °C
Camshaft outlet setpoint: -72.38 °CRK
camshaft outlet: -59.62 °CRK
Engine speed: 832.00 rpm

Fault-Set 2 - ( 109904 km)

(Motor) -Öltemperatur: 55.00 °C
Camshaft outlet setpoint: -83.62 °CRK
camshaft outlet: -64.50 °CRK
Engine speed: 2208.00 rpm

Fault-Set 3 - ( 109920 km)

(Motor) -Öltemperatur: 57.00 °C
Camshaft outlet setpoint: -84.38 °CRK
camshaft outlet: -66.00 °CRK
Engine speed: 1472.00 rpm

*** 2A99:Crankshaft - exhaust ***
Fault-Set 1 - ( 109904 km)

(Motor) -Öltemperatur: 59.00 °C
Engine speed: 2048.00 rpm
engine status: 6.00 0-n
Voltage cl. 87: 14.52 V

Fault-Set 2 - ( 109912 km)

(Motor) -Öltemperatur: 59.00 °C
Engine speed: 1536.00 rpm
engine status: 6.00 0-n
Voltage cl. 87: 14.52 V

Fault-Set 3 - ( 109928 km)

(Motor) -Öltemperatur: 85.00 °C
Engine speed: 1344.00 rpm
engine status: 6.00 0-n
Voltage cl. 87: 14.62 V


Can anybody advise me of a starting point to start diagnosing the faults. I suspect they could be linked

AP1
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Posts: 773
Joined: Sat Feb 23, 2013 9:46 pm

Re: Fault code 29F3

Post by AP1 » Sun Oct 22, 2017 9:02 pm

You need a new fuel rail low pressure sensor. Then clear all fault codes and recheck for other faults.

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