HPFP wasn't the problem

606 Views 2 Replies 3 Participants Last post by msksaipw, 2 mo ago

Jay K

Discussion Starter · 3 mo ago

Newbie here, so let me know if I’m in the wrong garage. The vehicle is a 2015 Passat Limited Edition / S / Wolfsburg, 1.8L I4 DI. The EPC light came on, followed by occasional stalling. The dealer suggested a “high pressure fuel pump replacement,” which I did. Car ran well for a day but is now starting and running for 30 seconds before shutting off completely. Starts back up relatively quickly (30 secs to 1 min.) but stalls/shuts off again after running for 30 secs. No engine light or EPC lights on.

Here are the codes my Fixd unit are giving me:
P0090 – Fuel Pressure Regulator.
P0092 – Fuel Pressure Regulator.
P0087 – Fuel Rail/System Pressure Too Low.

Any suggestions would be appreciated.

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Hirnbeiss

· #2 · 2 mo ago

I think the dealer owes you a targeted diagnostic, which he should have done before recommending the HPFP. Take it back, have him isolate the actual culprit and give you a good discount on it.

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msksaipw

· #3 · 2 mo ago

I am getting error in my 2016 VW Passat:-

P0092Valve for Fuel Metering (N290) Short to Plus
DTC severity 2 of 3. This fault may pose damage to components and should be repaired as soon as possible.

What we did:
Mechanic replaced High pressure pump at engine, Fuel pump in gas tank and Fuel Control Module at fuel tank
Back seat is not fixed and rubber cap at control Unit not closed. is that causing?

Please help me...

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