Fuel rail pressure sensor SAAB 9-3 2009

OEM: 55202754

Disassembled car photo

Engine running

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Details for this exact part

Code
55202754
OEM
55202754
Condition
Used
Availability
1 in stock - ready to ship
Make, model
SAAB 9-3 2007-2012
Year
2009
Engine
Diesel 1.9TD 88KW Z19DT
VIN
YS3FB56V391024295

What is this part and why does it matter?

The fuel rail pressure sensor measures fuel pressure directly at the rail, letting the ECU precisely control injector timing and duration for accurate fuel delivery.

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Signs of a faulty part

If you notice any of the following, the part likely needs replacement:

  • Engine won’t start or is very hard to start
  • Loss of power, especially under load
  • Check Engine light with a fuel pressure fault code

Installation information

Screws into the fuel rail with a sealing washer — always relieve fuel system pressure before disconnecting.

Frequently asked questions

The ECU relies on precise, real-time pressure data to calculate exactly how long to open the injectors for the correct fuel quantity — an inaccurate reading can cause serious drivability and starting problems.

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