Hot answers tagged

5

Some thoughts on how to verify if you have... an intake obstruction Disconnect the air filter (keep the MAF in place) to expose the compressor inlet and log boost values with the car at idle and under load. If the boost numbers are close to what the engine computer is expecting then this would confirm that something upstream the MAF is obstructing the ...


1

For what it might be worth, we have a pair of Jetta Mk4 TDIs one with the ALH engine, the other with a BEW. Both are well over 200,000 miles (the ALH is pushing 300,000) and for the most part we do our own maintenance, using a local shop for thorny diagnostic issues and when specialized tools or a lift are required. Over about 200,000 miles the ALH has run ...


1

If your TDI is a PD type then you're better off erring on the short/fast side. There were many cases of prematurely worn out cams on PDs due to oil. This means sticking to the oil norm and change interval specified by VW. If the engine is a non-PD TDI (such as ALH, AFN etc.) then you could try using oil analyzer (such as lubricheck) in order to determine ...



Only top voted, non community-wiki answers of a minimum length are eligible