2001 Volkswagen Jetta TDI Repair and Maintenance
A guide to problems, costs, maintenance and repair for your 2001 Volkswagen Jetta TDI
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2001 Volkswagen Jetta TDI ProblemsCheck Engine Light Due to Issues With Glow Plugs/Wiring Harness
Because of issues with the glow plugs and/or the glow plug wiring harness from the control relay, the Check Engine Light may illuminate. Our technicians tell us there is a service bulletin, not a recall from Volkswagen regarding replacement of the glow plugs on 2004-2005 model years only.
Oil and carbon tend to build up, creating restrictions in the intake manifold. Symptoms will be loss of power (sometimes severe) and poor fuel economy.
Electrical issues that are difficult to diagnose—and sometimes intermittent—are typically due to ground wiring issues. The most troublesome ground locations are under the battery or at the engine.
2001 Volkswagen Jetta TDI Questionsreverse lights won't work, what would cause this (1 answer)
I have had other repairs done, mostly vacume. pump and lines, also brakes. On any outing with long or steep hills I connot maintain speed. I have no trouble light showing