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Rackers



Member Since: 04 Apr 2022
Location: Portsmouth
Posts: 78

United Kingdom 2010 Range Rover Autobiography 5.0 SC V8 Santorini Black
3.6TDV8 cranking and not starting

Leak off pipe had to be replaced but the filter and lines were disconnected during the replacement.

I've tried bleeding the low pressure side but I just can't get this thing to fire up.

Is there a specific procedure to be followed to bleed it properly?

Tried so far.

Ignition on 30-40 seconds, repeat four times.

Connected up an old tyre pump hose to the schrader, ignition on 30-40 seconds but the flow seems to stop after 15-20 seconds, I thought the low pressure pump would run longer than this?

I do have a P0191-23 code stored.

Prior to the work being done car started with no issues.

Thanks all

Post #710748 1st Feb 2025 11:08am
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GraemeS



Member Since: 06 Mar 2015
Location: Wagga area
Posts: 2555

Australia 2012 Range Rover Autobiography TDV8 Bournville

From the WSM...
Fuel Rail Pressure Sensor A
Circuit Range/Performance

Fuel rail pressure (FRP)
sensor circuit
range/performance - signal
stuck low

Low fuel level

Blocked/incorrectly
connected low-pressure fuel
lines

FRP sensor circuit short
circuit to ground

FRP sensor circuit short
circuit to power

FRP sensor circuit high
resistance

FRP sensor fault
Fuel pump module circuit

short circuit to ground
Fuel pump module circuit

short circuit to power
Fuel pump module circuit
high resistance

Fuel pump module fault

Check the fuel level and the condition and correct
connection of the low-pressure fuel circuit lines
(incorrect connection of the lines to and from the fuel
filter can cause serious fuel pressure fluctuations).
Check the FRP sensor and circuits. Check the fuel
pump module and circuits. Refer to the electrical
guides. Repair/renew as necessary. Clear the DTCs
and test for normal operation.

Post #710788 1st Feb 2025 7:41pm
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Rackers



Member Since: 04 Apr 2022
Location: Portsmouth
Posts: 78

United Kingdom 2010 Range Rover Autobiography 5.0 SC V8 Santorini Black

Thanks GraemeS

I've got a replacement battery booster arriving tomorrow so going to get SDD loaded up and do some logging. I'm going to try running the fuel priming routine to see if it helps.

I have a fuel guage issue (typical sender issue) so the car thinks the tank is empty. Referring to the WSM, is it talking about physical low-level or perceived low-level?

Cheers

Post #710792 1st Feb 2025 8:33pm
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GraemeS



Member Since: 06 Mar 2015
Location: Wagga area
Posts: 2555

Australia 2012 Range Rover Autobiography TDV8 Bournville

I assume actually low because if only perceived low shouldn't cause a fault code.

Post #710803 1st Feb 2025 11:41pm
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