C0064 Engine Trouble Code
What is C0064?
C0064 indicates potential catalytic converter failure. If completely failed, your vehicle may not run properly and fuel economy will suffer significantly. Average replacement cost is $2,000–$2,140. This repair requires professional service and should not be delayed.
Code Information
| Code Type: | OBD-II Chassis (C) Trouble Code |
| System: | Chassis |
| Code: | C0064 |
C0064 Symptoms
Check Engine Light
Illuminated dashboard warning
Engine Stalling
Engine stops unexpectedly or misfires
Performance Issues
Reduced power or acceleration
Starting Problems
Difficulty starting the engine
C0064 Code Structure
Understanding what each digit means in the C0064 chassis trouble code:
| C | 0 | 0 | 6 | 4 |
|---|---|---|---|---|
| Chassis Code | Intake Valve Control Solenoid Circuit Low | Ambient Air Temperature Sensor Circuit Low | Cylinder 4 Contribution/Balance Fault | Timing Reference High Resolution Signal A Too Many Pulses |
How to Fix C0064
Diagnostic Steps:
The catalytic converter has oxygen sensors before and after it. When warm and in closed-loop mode, the upstream O2 sensor reading should fluctuate, while downstream should remain steady.
Repair Solution:
Most manufacturers number cylinders sequentially from front to back. Ford V-engines start with cylinder 1 at front left. In V-6 engines, cylinder 4 is front right; in V-8 engines, cylinder 5 occupies that position.
Technical Notes:
For C0064, verify VCT solenoid operation. Look for stuck or sticking valves caused by contamination. Consult vehicle-specific repair manual for proper component testing procedures.
C0064 Description
C0064 engine trouble code is related to Timing Reference High Resolution Signal A Too Many Pulses.
Main Cause
The primary reason for C0064 OBD-II Engine Trouble Code is: Ambient Air Temperature Sensor Circuit Low.