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6E–86 ENGINE DRIVEABILITY AND EMISSIONS CAUTION: To reduce the risk of fire and personal D It is necessary to relieve fuel system pressure D A small amount of fuel may be released when Fuel Pressure Relief Procedure 1. Remove the fuel cap. relay center. 3. Start the engine and allow it to stall. Fuel Gauge Installation 1. Remove the shoulder fitting cap. located in front of and above the right side valve train 3. Reinstall the fuel pump relay. Fuel System Electrical Test
Step Action Value(s) Yes No 1 Was the “On-Board Diagnostic (OBD) System Check” — Go to Step 2 Go to OBD System Check 2 1. Read the “Caution” above. pump pressure gauge to the test fitting. 3. Use Tech 2 to command the fuel pump “ON.” Is there an immediate pressure build-up which — Go to Step 3 Go to Step 4 3 1. Verify that the pump is not running by removing the fuel filler cap and listening. 2. Command the pump “ON” with Tech 2. Did the pump turn “OFF” after 2 seconds? — Test completed Go to Step 12 4 1. Ignition “OFF.” battery feed to the relay. Did the light illuminate? — Go to Step 6 Go to Step 5 5 Repair short or open battery feed to fuel pump relay. Is the action complete? — Verify repair — 6 1. Connect a test light between the two wires that connect to the fuel pump relay pull-in coil. 2. Ignition “ON.” Did the test light illuminate for 2 seconds and then turn — Go to Step 12 Go to Step 7 7 1. With a test light connected to battery (–), probe the fuel pump relay connector at the wire which runs 2. Ignition “ON.” Did the test light illuminate for 2 seconds and then turn — Go to Step 8 Go to Step 9 8 Locate and repair open in the fuel pump relay ground Is the action complete? — Verify repair — |