Volkswagen Passat Engine Problems

Volkswagen Passat 2006: Oil pressure dropping after top up?

Answered by CarsGuide 24 Aug 2018

It’s not related to the oil, the oil you used was correct. It shouldn’t lose oil pressure so quickly, if it does there is something going on within the engine that needs addressing. If the engine is making a bad sound, don’t drive it, and get a mechanic to check it.

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Which Passat is better, diesel or petrol?

Answered by CarsGuide 7 Oct 2016

Both are fine choices. I believe it comes down to the use you plan for it. A diesel works at its best when it's constantly running and fully warmed-up, preferably at a constant speed. The petrol engine is better in transient traffic conditions where the car is always accelerating or slowing. If you live in the city I would go for the petrol engine, if you live out of town then the diesel is probably better.

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Is the Passat troublesome?

Answered by CarsGuide 4 Apr 2016

As it transpired, it was only a loose hose that affected the turbocharger on the Passat test car but it's the first time I've had a test car that needed to be trucked away. You can read the full report in this week's Tick.

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Passat using oil?

Answered by CarsGuide 30 Oct 2015

I would continue to use he same oil you've been using, I doubt that needs anything else and I wouldn't put a "thicker" oil in it. VW engines have a habit of using a little oil, enough to make it necessary to keep a constant watch on the oil level and keep it topped up, but it has only done 175,000km and is only using oil on the highway.

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Passat performance chip

Answered by CarsGuide 5 Apr 2012

I would urge caution. Chipmakers extract greater performance from cars by going closer to the edge of destruction than a manufacturer would dare do. Do your homework and establish what the chip will do to the calibration of your car and assess the possible problems that could occur, and then make your decision.

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VW Passat engine

Answered by CarsGuide 17 Nov 2011

Don't listen to "European car motor mechanics" for starters. I reckon if you checked in his back yard you'd find it full of Passat engines he would like to sell you. It's not a good idea to only do very short runs where the engine, gearbox and differential don't get a chance to warm-up, but runs of 10 to 50 km are fine.

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Cam belt or chain

Answered by CarsGuide 2 Sep 2010

It has a chain and doesn't require servicing.

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