Fuel temperature sensor VW PASSAT 2004 UNIVERSAL GREY

OEM: 038906081B-2

Disassembled car photo

Engine running

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Details for this exact part

Code
038906081B-2
OEM
038906081B-2
Condition
Used
Availability
1 in stock - ready to ship
Make, model
VW PASSAT 2000-2005
Year
2004
Engine
Diesel 1.9TDI 96KW AVF
VIN
WVWZZZ3BZ5E024942

What is this part and why does it matter?

The fuel temperature sensor measures the temperature of the fuel, which the ECU uses to fine-tune fuel injection calculations, since fuel density changes with temperature.

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Signs of a faulty part

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

  • Check Engine light with a fuel temperature fault code
  • Slightly inaccurate fuel trim or minor performance fluctuations
  • Poor cold-start behaviour in some cases

Installation information

Screws or plugs into the fuel rail or tank with a seal, and connects to the engine wiring harness.

Frequently asked questions

Fuel expands and contracts with temperature, changing its density — the ECU uses this reading to fine-tune the exact amount of fuel injected for accurate combustion.

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