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P0175
2018 Volkswagen Jetta
Volkswagen
Severity
Medium
Safe to Drive
Yes
Est. Time
2hrs
Difficulty
Moderate
SYMPTOM
Check engine light, slightly rich exhaust smell
Why This Happens
A leaking fuel injector or a failing fuel pressure regulator can cause excess fuel delivery, triggering a rich condition code.
VERIFIED FIX:
Fuel pressure regulator replaced
How It Was Diagnosed
A leaking fuel injector or a failing fuel pressure regulator can cause excess fuel delivery, triggering a rich condition code.
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