Volkswagen Jetta Problem Report
Volkswagen Jetta Check Engine Light and/or Hesitation Due to Failed High Pressure Fuel Pump
2.0L turbo charged engines may develop a hesitation on acceleration and/or illumination of the Check Engine Light due to a failed high pressure fuel pump or a worn camshaft follower or camshaft. Our technicians tell us that whenever the high pressure fuel pump is replaced the camshaft and the follower should be checked for wear. The camshaft lobe pushes on the follower to operate the high pressure fuel pump. Frequent oil changes and use of synthetic oil may help with this wear issue.
First - check engine light came on - then RPMs started accelerating while in park.... then it started making a tea kettle whistling noise...still under warranty. they replaced the pressure regulating valve?... that fixed it. - Visitor
High pressure fuel pump mafunction and cam replacement due to cam wear on the lobe. Took it in due to engine light and had many trouble codes that went with it. Had to go to the dealer to get it diagnosed. Seems to be not an uncommon problem. Apparently this same cam problem is not uncommon in German cars. Bad metalurgy??? A cam wearing out at 120000 miles is ridiculous. - Visitor
Check engine light came on, dealer said it had camshaft problems. Haven't been given a cost to fix it yet. - Visitor
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