Is P0175 the same fix as P0172?

Same diagnostic approach but on bank 2. If both banks rich, focus on shared causes like fuel pressure regulator.

How do I find a leaking injector?

With the engine off, pressurize the fuel rail and watch for fuel dripping from injector tips. Or use a stethoscope to listen for clicking patterns.

Medium Severity

Fuel System

Bank 2 is running rich. If P0172 is also present, look for shared causes like fuel pressure or MAF sensor.

Common Fix

Replace leaking injector or fix fuel pressure

Estimated Cost (DIY)

$30 - $200

Leaking fuel injector bank 2likely

Faulty O2 sensor bank 2possible

High fuel pressurepossible

Dirty MAF sensorpossible

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Is P0175 the same fix as P0172?: Same diagnostic approach but on bank 2. If both banks rich, focus on shared causes like fuel pressure regulator.
How do I find a leaking injector?: With the engine off, pressurize the fuel rail and watch for fuel dripping from injector tips. Or use a stethoscope to listen for clicking patterns.

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