What does upgrading your fuel pump do?
An upgraded fuel pump may move so much fuel, the factory regulator cannot bleed off the pressure fast enough. This leads to higher than desired fuel pressures which means the injectors are spraying more fuel than intended. The consequence is an overly rich air to fuel ratio and a poorly running engine.
Do I need to prime a new fuel pump?
For normal automobile operation, you will not need to prime your electric fuel pump. You can use the prime switch when your engine may seem to start to die or when the filters in the car become clogged. Some models of electric fuel pumps do not need to be primed by hand as they have a self priming feature built in.
How big is the fuel pump on a Volkswagen Golf?
With 122mm outer diameter flange. Your Volkswagen Golf is known for its all-wheel drive performance and low fuel consumption. If your Golf suddenly starts guzzling gas, a poor Golf fuel pump could be the culprit, and it could end up flooding your engine.
Where is the Digifant fuel filter on a VW Golf?
Digifant fuel filter is located under the car, near the main fuel pump. Note: Fuel filter #893-133-511 previously listed here was based on the VW parts catalog. Parts sites also list this filter as being correct from 1984½ onward, which is wrong (it is a Golf II filter and too large to properly fit the Cabriolets).
Where is the fuel pump on a cabriolet?
Fuel injected Cabriolets from 1984* to 1993 have 2 electric fuel pumps. The main fuel pump is located beneath the car, passenger side, in front of the gas tank. The second pump, called a transfer pump, is located inside the gas tank; access to this pump is on the passenger side under the rear seat.
What kind of fuel injection system does Volkswagen use?
Electronic fuel injection system. Digifant is Volkswagen’s in-house variant of the Bosch L-Jetronic fuel management system. There are two types: Digifant I and Digifant II. Digifant I uses adaptive controls to comply with California emissions requirements and has OBD I diagnostics.