Symptom List:
P0201-FUEL INJECTOR #1
P0202-FUEL INJECTOR #2
P0203-FUEL INJECTOR #3
P0204-FUEL INJECTOR #4
Test Note: All symptoms listed above are diagnosed using the same tests.
The title for the tests will be P0201-FUEL INJECTOR #1.
When Monitored and Set Condition:
P0201-FUEL INJECTOR #1
When Monitored: With battery voltage greater than 10 volts. Auto Shutdown Relay
energized. Engine speed less than 3000 rpm.
Set Condition: No inductive spike is detected after injector turn off. One Trip Fault.
P0202-FUEL INJECTOR #2
When Monitored: With battery voltage greater than 10 volts. Auto Shutdown Relay
energized. Engine speed less than 3000 rpm.
Set Condition: No inductive spike is detected after injector turn off. One Trip Fault.
P0203-FUEL INJECTOR #3
When Monitored: With battery voltage greater than 10 volts. Auto Shutdown Relay
energized. Engine speed less than 3000 rpm.
Set Condition: No inductive spike is detected after injector turn off. One Trip Fault.
P0204-FUEL INJECTOR #4
When Monitored: With battery voltage greater than 10 volts. Auto Shutdown Relay
energized. Engine speed less than 3000 rpm.
Set Condition: No inductive spike is detected after injector turn off. One Trip Fault.
POSSIBLE CAUSES
GOOD TRIP EQUAL TO ZERO
ASD RELAY OUTPUT CIRCUIT
FUEL INJECTOR
INJECTOR CONTROL CIRCUIT OPEN
INJECTOR CONTROL CIRCUIT SHORTED TO GROUND
PCM
112
DRIVEABILITY - NGC
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