Why does my VW Passat air pump not work?

Why does my VW Passat air pump not work?

If the pump is not running, then there could be an issue with the relay, the wiring or with the pump itself. If the pump does work, then the secondary air combi valve is probably faulty and needs to be replaced. What does error code P0418 on a 2002 Volkswagen Passat indicate after the secondary air pump is replaced?

What happens when the air injection pump is not working?

But in situations when the secondary air injection pump is not working, you can expect the RPM to drop. This may cause the car to vibrate or even stall as noted above. If you’ve already experienced engine stalling, poor acceleration, and a check engine warning light, then you need to have the secondary air injection pump checked out immediately.

When to replace a secondary air injection pump?

If you’ve already experienced engine stalling, poor acceleration, and a check engine warning light, then you need to have the secondary air injection pump checked out immediately. If it is proven to be the problem, have it replaced by a certified mechanic.

What does error code p0418 on a 2002 Volkswagen Passat indicate?

What does error code P0418 on a 2002 Volkswagen Passat indicate after the secondary air pump is replaced? The code indicates that the air pump relay is faulty or the fuse has blown. They are both located in in the ECM box near the cowl on the driver’s side. The fuse will usually blow if there is water intrusion in the pump.

How long does it take to fix air pump on VW Jetta?

The job typically takes about 30 minutes for a person with average mechanical skills. A torque wrench (5-50 Nm) VAG 1331 will be required. What do codes P0411 and P0420 mean on a Volkswagen Jetta?

Where is the air pump relay on a VW?

It is located on the driver’s side near the windshield. The wipers and black covers under the wipers need to be removed. The black ECU box can then be opened by using an 8mm socket to remove the screws. With the box open the secondary air pump relay will be visible. It is the one next to the 40 amp fuse. Remove the relay and install a new one.

Where is the ECU on a Volkswagen air pump?

This problem is typically caused by a faulty air pump relay. Replacing it should solve the problem. To replace it: Open the hood and locate the black box that contains the ECU. It is located on the driver’s side near the windshield. The wipers and black covers under the wipers need to be removed.

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