Volkswagen Workshop Service and Repair Manuals > Polo Mk5 > Power unit | 4-cylinder diesel engine (1.6 l engine, common rail) | Fuel supply, gas operation | Testing low-pressure fuel systems (fuel pump) | Checking fuel pump, vehicles with 0.5 bar low-pressure fuel system

Checking fuel pump, vehicles with 0.5 bar low-pressure fuel system

First check that connector is fitted securely by pulling connector without pressing locking mechanism.

Checking fuel pump delivery rate → Chapter

Checking voltage supply of fuel pump → Chapter

Checking current consumption of fuel pump → Chapter

Volkswagen Workshop Service and Repair Manuals