REMOVAL PROCEDURE 1. REMOVE V-BANK COVER SUB-ASSEMBLY
2. REMOVE AIR CLEANER HOSE ASSEMBLY
3. DRAIN ENGINE COOLANT
4. DISCONNECT NO. 12 WATER BY-PASS HOSE
5. DISCONNECT NO. 13 WATER BY-PASS HOSE
6. REMOVE EGR VALVE ASSEMBLY
7. REMOVE EGR INLET
8. REMOVE NO. 3 EGR PIPE SUB-ASSEMBLY
9. REMOVE EGR VALVE BRACKET
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Toyota Tundra Service Manual > 1ur-fe Engine Control: Efi Relay
On-vehicle InspectionON-VEHICLE INSPECTION PROCEDURE 1. REMOVE INTEGRATION RELAY 2. INSPECT INTEGRATION RELAY (EFI) NOTICE: Some relays are built into the integration relay. The integration relay cannot be disassembled. If there is a malfunction in the circuit of the integration relay, replace the ...