Engine Error
P0285
Cylinder 9 Injector Circuit Low
Severity
High
Symptoms
V10/V12 engine misfire, rough idle, lack of power
Common Causes
- Defective Cyl 9 injector
- Short to ground in wiring
- Unplugged injector connector
- Faulty PCM
How to Fix
- 1 Test and replace Cyl 9 injector
- 2 Trace and repair grounded wire
- 3 Seat connector securely
- 4 Test PCM output
Estimated Repair Cost
USD
$150
–
$500
Injector replacement: 200 - 500