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Home >> Jeep >> 2005 >> Wrangler L6-4.0L VIN S >> Repair and Diagnosis >> Powertrain Management >> Computers and Control Systems >> Testing and Inspection >> Symptom Related Diagnostic Procedures >> No-Start Testing >> Checking Fuel Delivery
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Checking Fuel Delivery

Test 1 - 2:




Test 3 - 6:




Test 7 - 9:






SYMPTOM
CHECKING FUEL DELIVERY

POSSIBLE CAUSES
- Fuel pump relay
- Fuel pressure out of specification
- Restricted fuel supply line
- Fuel pump inlet strainer plugged
- Fuel pump
- (A61) fused B++ circuit
- (A141) fuel pump relay output circuit open
- (Z1) fuel pump ground circuit excessive resistance
- Fuel pump module
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