MajorCommonEngine

Audi A4: HPFP Cam Follower Collapse

HPFP Cam Follower Collapse is a common engine fault on the Audi A4 on the 2008–2015 cars, and we rate it major. Putting it right costs $300 to $3,000 at New Zealand independent workshop rates. Below is what goes wrong, the symptoms to notice on a test drive, where to look, and what to ask the seller before you hand over any money. It is one of 45 documented faults on the Audi A4.

Vehicle: Audi A4
Engine: 2.0L / 1.8L
Years: 2008–2015
Fuel: petrol
System: Engine

This page covers the Audi A4 as a model. Some faults only affect particular engines or build years — enter a plate below to narrow the list to one car.

All Audi A4 faults45 documented faults on this model

What you are looking at

No photograph available

We do not hold a verified photograph of the High-pressure fuel pump yet. We would rather show none than show a picture of a different part.

What goes wrong

The high-pressure fuel pump on the EA888 2.0 TFSI is driven by a dedicated lobe on the exhaust camshaft via a roller follower (cam follower bucket). The roller can shed its pin under high mileage or with thin/degraded oil, causing the plain metal follower to score and collapse against the camshaft lobe. Once the lobe is destroyed the HPFP delivers no rail pressure, causing a no-start or severe fuel cut. If caught early only the follower needs replacement; a destroyed cam lobe requires cylinder head or camshaft replacement.

What you would notice

Fuel pressure fault codes (P0087 low rail pressure, P0193)
Engine hesitation and flat spots under load
Hard starting or extended crank before start
No visible external symptoms until catastrophic

How to check it

Where to look. Rear of cylinder head under the high-pressure fuel pump, exhaust camshaft side

Inspect the roller face for scoring, pitting or a shed roller pin.
Inspect the corresponding camshaft lobe through the follower bore with a torch.
This is a 20-minute pre-purchase inspection step.
Check service records for follower inspection or replacement, and confirm oil specification meets VW 502.00.
If a workshop inspection is possible: Remove the HPFP (four bolts) and pull the follower from its bore.

Parts involved: High-pressure fuel pump.

What it costs to put right

$300 to $3,000 at New Zealand independent workshop rates. That is for this job on its own, not for the car.

An estimate, in NZD, for the repair as normally carried out. What a specific car costs depends on which part has failed and what it damaged on the way — treat this as the floor for a negotiation, not a quote.

Ask the seller

“Has the HPFP cam follower been inspected or replaced?”
“What oil specification and change interval has been used?”
“Are there any stored fuel pressure fault codes?”

Now check the Audi A4 you are actually looking at

Everything above is true of the model, and it is free. What it does not tell you is whether THIS car has been looked after: its odometer history and whether the reading has ever gone backwards, whether there is still money owing on it, whether it has been reported stolen, how many owners it has had and what it is really worth today. That comes from the official records for that plate. Enter the plate for the free details, or get the full history and a market valuation from $13.49.

Not sure what you would be paying for? See what a full KickTyres check includes.

Where this comes from

The failure described above is documented in published sources — owner forums, technical service bulletins, recall notices and workshop write-ups — held in our fault database. The inspection instructions and the cost estimate are KickTyres’ own interpretation of them, and it is a starting point for an inspection rather than a manufacturer statement.

Audi A4 buyer questions

Is hpfp cam follower collapse serious on a Audi A4?

We rate it major and common on the Audi A4. The high-pressure fuel pump on the EA888 2.0 TFSI is driven by a dedicated lobe on the exhaust camshaft via a roller follower (cam follower bucket). The roller can shed its pin under high mileage or with thin/degraded oil, causing the plain metal follower to score and collapse against the camshaft lobe. Once the lobe is destroyed the HPFP delivers no rail pressure, causing a no-start or severe fuel cut. If caught early only the follower needs replacement; a destroyed cam lobe requires cylinder head or camshaft replacement.

How much does it cost to fix on a Audi A4?

$300 to $3,000 at New Zealand independent workshop rates. That figure is for this job on its own. A car showing the symptoms on this page is usually worth either walking away from or negotiating down by at least the repair figure.

Which Audi A4 years are affected?

Our research records this fault on the 2008–2015 Audi A4. Build dates move around, especially on imported cars, so treat the range as the years to look hardest at rather than a guarantee either way. The official records tell you the exact build and first registration date for the car in front of you.

How do I check for it before I buy?

Inspect the roller face for scoring, pitting or a shed roller pin. Inspect the corresponding camshaft lobe through the follower bore with a torch. This is a 20-minute pre-purchase inspection step. Check service records for follower inspection or replacement, and confirm oil specification meets VW 502.00. If a workshop inspection is possible: Remove the HPFP (four bolts) and pull the follower from its bore. Look here: Rear of cylinder head under the high-pressure fuel pump, exhaust camshaft side