Inspection Procedure 1
Engine malfunctions due to insufficient fuel supplyDIAGNOSIS
STEP 1. check for bending twisting or clogging of the fuel pipe or hose.
Q: Are the fuel pipe and hose in good condition?
YES: Go to Step 2.
NO: Repair or replace. Then go to Step 6.
STEP 2. Check for clogging of the fuel filter or in- tank fuel filter.
Q: Is the fuel filter or in-tank fuel filter in good condition?
YES: Go to Step 3.
NO: Replace. Then go to Step 6.
STEP 3. Check whether water has entered the fuel filter.
Q: Is the fuel filter in good condition?
YES: Go to Step 4.
NO: Replace the fuel filter, and clean the fuel tank and fuel line. Then go to Step 6.
STEP 4. Check the inside of the fuel tank for contamination and rust.
Q: Is the fuel tank in good condition?
YES: Go to Step 5.
NO: Replace. Then go to Step 6.
STEP 5. Check the fuel pump module operation.
Q: Is the fuel pump module operation in good condition?
YES: Then go to Step 6.
NO: Replace. Then go to Step 6.
STEP 6. Check symptoms.
Q: Is the engine malfunction eliminated?
YES: Finish
NO: Return to Step 1.