Operation CHARM: Car repair manuals for everyone.

Checking the Fuel System

Tests 1 - 5:




Tests 6 - 9:




Tests 10 - 14:




Tests 15 - 19:




Tests 20 - 24:




Tests 25 - 28:




Tests 29 - 33:




Test 34:




SYMPTOM
CHECKING THE FUEL SYSTEM

POSSIBLE CAUSES
- Fuel pump ground circuit open
- Fuel pump relay fused B(+) circuit open
- Fuel pump relay output circuit open
- Fuel filter defective
- Fuel pump defective
- Fuel pump relay
- In-tank fuel pressure regulator defective
- Throttle position sensor defective
- Fuel filter defective
- Fuel inlet strainer defective
- Fuel pump module defective
- Fuel supply line defective
- Fuel tube restricted
- Powertrain control module defective
- Throttle cables defective
- Throttle position sensor defective