Fuel Pump, Checking Delivery Rate - Audi Q7 2007 Repair Manual

2.7

Fuel Pump, Checking Delivery Rate

Special tools and workshop equipment required
♦ Fuel Injection Gauge Kit - VAG1318-
♦ Pressure Gauge Adapter - VAG1318/10-12-
♦ Injection Rate Comparison Meter Kit - Remote Cable -
VAG1348/3A- with Injection Rate Kit - Remote Cable -
VAG1348/3-3-
♦ Measuring container, fuel-resistant
Procedure
• Fuse for Fuel Pump Control Module - J538- OK. Refer to the
Wiring Diagrams.
• Battery voltage at least 12.5 V.
• Fuel Pump Control Module - J538- OK; check in
-Vehicle Diagnostic Tester- .
Fault Finding
• Fuel filter is OK.
•
Fuel tank minimum
• The ignition is off.
1
/ 4 full.
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Fuel Supply System - Edition 10.2018
Guided
2. Fuel Pump, Fuel Delivery Unit and Fuel Level Sensor
Audi Q7 2007 ➤
27