OBD-II Code P0335 is an important diagnostic trouble code indicating a malfunction within the Crankshaft Position Sensor “A” Circuit. This sensor plays a crucial role in engine management by monitoring the rotational speed and position of the crankshaft, which is essential for optimal ignition timing and fuel delivery.
What Does the P0335 Code Mean?
The P0335 code is defined as a Crankshaft Position Sensor “A” Circuit Malfunction. This indicates that the Powertrain Control Module (PCM) has detected an irregular signal or no signal from the crankshaft position sensor, illuminating the Check Engine Light.
What Causes the P0335 Code?
Several factors can trigger the P0335 code, including:
- Defective Crankshaft Position Sensor
- Faulty or corroded wiring or connections related to the Crankshaft Position Sensor
- Defective Camshaft Position Sensor
- Rough running or misfiring engine
What Are the Symptoms of the P0335 Code?
Common symptoms associated with the P0335 code include:
- Check Engine Light illuminated
- Hard starting or cranking without starting
- Engine hesitation or stalling
- Engine dies and will not restart
- In some cases, no noticeable symptoms may be present
How Serious Is the P0335 Code?
The P0335 code is considered urgent as it indicates a malfunction that can lead to severe engine performance issues or potential damage. Immediate attention is recommended to avoid further complications.
How to Diagnose the P0335 Code
Diagnosing the P0335 code involves several steps:
- Use an OBD-II scanner to confirm the P0335 code and check for any additional codes.
- Visually inspect the Crankshaft Position Sensor, wiring, and connections for damage or corrosion.
- Test the Crankshaft Position Sensor using a multimeter to ensure it is functioning correctly.
- Check the Camshaft Position Sensor and other related components to rule out misdiagnosis.
Common Repairs for the P0335 Code
Typical repairs for the P0335 code may include:
- Replacing the Crankshaft Position Sensor
- Repairing or replacing faulty wiring or connectors
- Diagnosing and fixing issues related to the Camshaft Position Sensor
How Much Does It Cost to Fix the P0335 Code?
The cost to repair the P0335 code can vary widely depending on the specific issue and labor costs in your area. On average, you might expect to pay between $100 to $300 for parts and labor, especially if it involves replacing the Crankshaft Position Sensor or repairing wiring.
Can I Fix the P0335 Code Myself?
While some DIY mechanics may be able to tackle the P0335 code by replacing the Crankshaft Position Sensor or fixing wiring issues, it’s essential to conduct a proper diagnosis to avoid unnecessary repairs. If you’re not experienced with automotive diagnostics, consulting a professional mechanic is advisable to ensure the problem is accurately identified and resolved.
