2005 Volkswagen Passat TDI Repair and Maintenance
A guide to problems, costs, maintenance and repair for your 2005 Volkswagen Passat TDI
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2005 Volkswagen Passat 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.
The 2.0L TDI engine used in the Volkswagen Passat TDI very commonly faces camshaft lobe wear issues causing:
-Pronounced loss of power
-Backfire through the intake (heard under the hood)
-Rough vibrations while the engine is running
-decreased fuel economy
Correction for this issue requires substantial internal engine work including replacement of the camshaft, hydraulic lifters, and possibly fuel injectors
To help avoid this issue, ensure you are using the correct oil for your engine, as listed in your owners manual.
2005 Volkswagen Passat TDI Questionswhere to service the high & low AC under the hood? (1 answer)
Where is this located?
When I am turning the car from "off" to "Ignite" position, to wait for the glow plugs to warm, when I turn the key I hear a very faint noise, almost electrical I guess you could say, for 0.2-0.5 seconds. I turn on the car after the glow-light has disappeared and the car runs g...
They used the hand computer on my car. I thought he said it was the trottle. He said it was something on top of the motor. They removed it and said if it comes back on to bring it back to be fixed.