1998 Volkswagen Jetta TDI Repair and Maintenance

A guide to problems, costs, maintenance and repair for your 1998 Volkswagen Jetta TDI

1998 Volkswagen Jetta TDI Problems

Loss of Power Due to Oil and Carbon Build Up in Intake Manifold

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.

Difficult to Diagnose Electrical Issues Are Typically Due to Ground Issues

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.

Check 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.

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1998 Volkswagen Jetta TDI Questions

ok i have no advance on fuel pedal engine wont excelorat (1 answer)

sounds like its running on two cyls and grey smoke

how to fix the radio after the battery has been replaced (1 answer)

Would problem with factory alarm system continually going off prevent starting. (1 answer)

Car started and ran fine yesterday. I park it in the garage unlocked and when I went to leave this morning, I opened the driver's door and the alarm went of. I shut the alarm off with the remote, closed the door and the alarm went off again. I turned off the alarm (factory-installed), put ...

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1998 Volkswagen Jetta TDI Reviews

This is my third Jetta second of the 98 model. 260000 miles averaging between 46 and 52 mpg without thule rack with rack drops by 4 mpg. When i purchased it 60,000 miles ago it needed a front end alignment. That solved all wheel wear problems. The clutch on the ac is going but 260 000 miles i think is still fairly acceptable for the clutch. I have noticed some issues with the pep so doi...

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