Code 76

Fuel Injection System Function Test:

FUEL INJECTION SYSTEM FUNCTION (DTC: P0170)
1) Start engine and warm it up sufficiently.
2) Turn ignition switch "OFF" and wait for at least 3 seconds.

Fuel Injection System Functional Test:

3) Disconnect mass air flow sensor harness connector. Restart and run engine for at least 30 seconds at 2,000 rpm.
4) Stop engine and reconnect mass air flow sensor harness connector.
5) Perform Diagnostic Test Mode II (Self-diagnostic results) with ECM. Make sure DTC 12 is detected.
6) Erase the DTC 12 by changing from Diagnostic Test Mode II to Diagnostic Test Mode I.
7) Perform Diagnostic Test Mode II (Self-diagnostic results) with ECM. Make sure DTC 55 is detected.
8) Start engine again and wait for at least 10 minutes at idle speed.
The DTC 76 should be detected at this stage, if a malfunction exists.
9) If it is difficult to start engine at step 8, the fuel injection system also has a malfunction.