PCV Valve and Intake Manifold Motor Warranty Extension

06F129101P Front Detail

I recently received a letter from Volkswagen of America stating that the warranty for the pcv valve and intake manifold motor has been extended to 10 years/120,000 miles. You will also be eligible for reimbursement if you paid for repairs on any of these parts. Signs of pcv failure may include loss of boost pressure, poor idling and sometimes oil being pushed out of the oil cap. Intake manifold failure usually results in poor cold starting and sluggish low end performance. Either case can also cause the check engine light to come on.

PCV Valve

Here a Golfmkv.com link to common 2.0T FSI issues.

I’ll upload the document as soon as I can scan it in. Here we go.

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Hot Weather Fuel Cuts

1K0 919 051 CL

Since the weather is getting warmer again, some of the older MKV’s may begin to experience failure/overheating of the low pressure fuel pump.  I had this problem last summer. This issue often comes up in hot weather and long distance driving.  The low pressure fuel pump begins to overheat and then cuts out, starving the high pressure fuel pump. Acceleration is completely cut and you have to pull over or slow down.

If you’re experiencing fuel cuts in the heat or during long distance driving, take a look here for some more information. You may need to replace your in-tank fuel pump with the latest version.

Cam Follower Warranty Extension

Good news everybody! VW of America has decided to extend the cam follower, high pressure fuel pump, and intake camshaft warranty to 120,000 miles or 10 years. I received a letter in the mail. It took a while but VW finally did the right thing.

I’ll load the letter once I get it scanned. documents added below

Here are a few links related to the cam follower problem:

Cam Follower 1

Cam Follower 2

Cam Follower 3

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Intermittent Fuel Cuts – Low Pressure Fuel Pump

August 17, 2011 Update: 

It seems that the CL part number has now been superseded by 1K0 919 051 DB. I don’t know what the changes are or if the change was spurred by a problem with the CL number. Info from this thread.

As the 5th generation cars begin to age in the U.S., a couple of newer problems are beginning to rise up.  One really annoying problem is the low pressure fuel pump cutting out intermittently.  It leads to the high pressure fuel pump starving of fuel and then the engine loses power for a few seconds.  Utterly annoying and it can be dangerous if you’re traveling at a good rate of speed and happen to slow down in the far left.  It can be difficult to get onto the shoulder.  It tends to happen during a long drive in hot weather.

A newer updated pump (Part Number : 1K0 919 051 CL) is supposed to help with this problem.  This is not located in the engine bay, unlike the high pressure fuel pump.  This one sits underneath the rear seats.  It is easy enough to replace and there are a few DIY’s floating around.  Here’s a good one from the Golfmkv forums – In-tank fuel pump replacement

1stvwparts.com has the best price that I’ve seen so far at $180 dollars plus shipping.

Before changing the fuel pump though, you might want to check whether your thrust sensor has been updated to the latest revision.  This sensor sits on the passenger side of the high pressure fuel pump.  06E906051K is the part number for the newest thrust sensor revision.  If this solves your problem, you’ll have saved around 120 dollars.

06E906051K Thrust Sensor