Menu Close

Where is the fuel pump relay switch located?

Where is the fuel pump relay switch located?

Most fuel-pump relay units are located under the dashboard near the steering column. In some cases, the unit is located in the area where the steering column is mounted or near the engine’s firewall.

Where is the fuel pump fuse and relay located?

How do you test a VW fuel pump relay?

Set the volt meter to Ohms (measures resistance), and connect to terminals 30 & 87 (double check this). Then connect the other two leads to 12V+ and 12V- on your battery. You should hear a click, and the resistance should drop to 0 on the voltmeter. For best results, experience reality in moderation.

Does a mechanical fuel pump have a relay?

The ignition switch does not supply the current required to operate the pump; it supplies a smaller current which activates a relay which is designed for the pump operating current. It is common for the fuel pump relay to become oxidized and cease functioning; this is much more common than the fuel pump itself failing.

How can you tell if the fuel pump relay is bad?

Here are the symptoms of a bad or failing fuel pump relay

  1. Engine stalls. One of the first symptoms of an issue with the fuel pump relay is an engine that suddenly stalls.
  2. Engine does not start. Another symptom of a faulty fuel pump relay is an engine that does not start.
  3. No noise from the fuel pump.

How do I know if fuel pump relay is bad?

Can a mechanical fuel pump make too much pressure?

The fuel delivery system uses a mechanical fuel pump that provides the lower level of pressure that a carburetor operates on. Using the wrong fuel pump that delivers excess pressure can cause problems ranging from poor performance and lower gas mileage to flooding and carburetor damage.

Can AutoZone test a fuel pump relay?

AutoZone makes checking fuel pressure easier than ever. While testing does entail some work, few things are more rewarding than successfully troubleshooting your fuel pump relay. And with a fuel pressure test gauge from AutoZone, it’s easy.

How can I tell if my fuel pump relay is bad?