Volkswagen Jetta TDI Problems

Vehicles Using Biofuels May Have Injection Pump Failures on Volkswagen Jetta TDI

Problem Description and Possible Solution

Cars using biofuel typically have problems with injection pump failures; symptoms can include a "no start" condition or external pump leaks.

(14 people reported this problem)

Volkswagen Jetta TDI Vehicles With This Problem

RepairPal Verified
Average mileage: 97,666 (60,000–135,000)
Engine affected: 1.9L 4 Cylinder Diesel Turbo
9 model years affected: 1996, 2000, 2001, 2002, more2003, 2004, 2005, 2006, 2013
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Viewing 1-4 of 4 comments
varies miles...have resealed many leaking pumps. typically with biofuel and diesel use this will occur sooner than vehicles running just one or the other.
Fuel found after vehicle parked. Poor MPG. Inspected IP could see leak. Decided to install rebuilt injection pump and timing belt/water pump instead of just replace IP seals. Get rebuilds done at DFIS in Portland, OR.
Fuel injection pump replaced twice. Second time the dealer said it was probably due to use of biodiesel