|
|
FLA -602 FUEL SYSTEM Specification : After engine stops, the gauge reading should hold for about 5 minutes. 9) Is the measured fuel pressure within specification? YES ▶ Go to "Component Inspection" procedure. YES ▶ Go to "Verification of Vehicle Repair" procedure. Condition Possible Cause Suspected area Clogged filter Fuel filter Fuel pressure too low Fuel leak on the fuel-pressure regulator that is assembled on fuel pump because of poor seating of the fuel-pressure regulator Fuel pressure regulator Fuel pressure too high Sticking fuel pressure regulator Fuel pressure regulator Fuel pressure drops slowly after engine is stopped Injector leak Injector Fuel pressure drops immediately after engine is stopped The check valve within the fuel pump is open Fuel pump COMPONENT INSPECTION E3E5E1E4 1. Check PCV 1) IG "OFF". 2) Remove PCV valve and then, check that plunger in the PCV is moving. 3) Is the PCV normal ? YES ▶ Go to "Check PCSV" as follows. NO ▶ Substitute with a known-good PCV and check for proper operation. If the problem is corrected,replace PCV 2. Check PCSV 1) IG "OFF". 2) Remove PCSV and Vaccum Hose 3) Check that PCSV is just one way solenoid valve 4) Is the PCSV normal ? |