P0335 – Crankshaft Position Sensor A Circuit Malfunction
Introduction
The P0335 error code on Chery is a fairly common issue that many drivers face.
**The P0335 error code is often linked to a malfunction in the Crankshaft Position Sensor A Circuit**, which may cause the engine to stall or run rough. **The severity level of this code is medium to high**, as it can lead to decreased engine performance and potentially cause damage to other components. **The urgency of repair is soon**, as driving with this code can lead to further complications and decreased fuel efficiency.
The P0335 error code is usually associated with the engine control module’s (ECM) ability to monitor the crankshaft position sensor’s signal. When diagnosing the P0335 code, it is essential to consider the related systems, such as the ignition system and the fuel injection system.
What Does Code P0335 Mean
The P0335 error code refers to a malfunction in the Crankshaft Position Sensor A Circuit. This sensor is responsible for monitoring the crankshaft’s position and rotation speed, which is crucial for the engine control module (ECM) to calculate the correct fuel injection and ignition timing. The affected system is the engine management system, which can impact engine performance, leading to decreased power output, rough idling, and potentially causing the engine to stall.
Common Chery Models Affected
The P0335 error code can affect various Chery models, including:
- Chery Tiggo
- Chery Arrizo
- Chery Fulwin
- Chery Cowin
- Chery Karry
Symptoms Table
The following symptoms may be associated with the P0335 error code:
| Symptom | Frequency of Occurrence |
|---|---|
| Engine stalling | High |
| Rough idling | Medium |
| Decreased engine performance | High |
| Difficulty starting the engine | Medium |
| Decreased fuel efficiency | Low |
| Check Engine Light illumination | High |
| Engine vibration | Individual |
Causes Table
The following causes may be associated with the P0335 error code:
| Potential Cause | Probability |
|---|---|
| Failed Crankshaft Position Sensor | High |
| Wiring issue in the Crankshaft Position Sensor circuit | Medium |
| Corrosion or damage to the Crankshaft Position Sensor connector | Medium |
| ECM malfunction | Low |
| Ignition system malfunction | Low |
Real-World Driving Scenarios
When driving with the P0335 error code, the driver may experience the issue in various scenarios, such as:
– Difficulty starting the engine, especially when cold
– Engine stalling when idling or during acceleration
– Decreased engine performance, leading to reduced power output
– Rough idling, which can cause vibration and noise
– Decreased fuel efficiency, leading to increased fuel consumption
Diagnostic Steps
To diagnose the P0335 error code, follow these steps:
1. Use a scan tool to retrieve the trouble code and monitor the engine’s parameters.
2. Inspect the Crankshaft Position Sensor and its wiring for any signs of damage or corrosion.
3. Check the sensor’s signal using a multimeter or oscilloscope.
4. Perform a visual inspection of the engine and its components to identify any potential issues.
5. If necessary, replace the Crankshaft Position Sensor or repair any wiring issues.
Common Diagnostic Mistakes
When diagnosing the P0335 error code, common mistakes include:
– Failing to inspect the wiring and connectors
– Not using a scan tool to monitor the engine’s parameters
– Replacing the Crankshaft Position Sensor without checking the wiring and connectors
– Not considering other related systems, such as the ignition system
– Not following the recommended diagnostic procedures
When Not to Replace the Sensor
Replacing the Crankshaft Position Sensor may not solve the issue if:
– The wiring or connectors are damaged or corroded
– The ECM is malfunctioning
– There are issues with the ignition system or fuel injection system
– The engine has vacuum leaks or other mechanical issues
How to Fix
To fix the P0335 error code, follow these steps:
1. Inspect and repair any wiring or connector issues.
2. Replace the Crankshaft Position Sensor if necessary.
3. Use a scan tool to clear the trouble code and monitor the engine’s parameters.
4. Perform a test drive to ensure the issue is resolved.
Severity Level
The severity level of the P0335 error code is medium to high, as it can lead to decreased engine performance, decreased fuel efficiency, and potentially cause damage to other components. The driving risk is medium, and the urgency of repair is soon.
Is It Safe to Drive with This Code
Driving with the P0335 error code is not recommended, as it can lead to decreased engine performance, decreased fuel efficiency, and potentially cause damage to other components. However, if the issue is not severe, it may be possible to drive the vehicle for a short distance to a repair shop.
Estimated Repair Cost
The estimated repair cost for the P0335 error code can range from $200 to $1,000, depending on the extent of the issue and the labor costs.
Preventive Maintenance Tips
To prevent the P0335 error code, regular maintenance is essential, including:
– Regular oil changes
– Spark plug replacement
– Fuel filter replacement
– Inspection of the wiring and connectors
When working with the P0335 error code, it’s essential to consider the related systems and follow the recommended diagnostic procedures to ensure accurate diagnosis and repair. The Chery P0335 code requires careful analysis and inspection to determine the root cause of the issue.
Tools Required for Diagnostics
The following tools are required for diagnosing the P0335 error code:
- Scan tool
- Multimeter
- Oscilloscope
- Wiring diagram
- Repair manual
Technical Reference Values
The following technical reference values are relevant for the P0335 error code:
| Parameter | Normal Range | Fault Indication Behavior |
|---|---|---|
| Crankshaft Position Sensor signal | 0.5-4.5V | Signal outside of normal range |
| Engine speed | 500-6000 rpm | Irregular engine speed |
| Fuel injection timing | 0-30 degrees | Incorrect fuel injection timing |
FAQ
1. What does code P0335 mean?
The P0335 error code refers to a malfunction in the Crankshaft Position Sensor A Circuit. This sensor is responsible for monitoring the crankshaft’s position and rotation speed, which is crucial for the engine control module (ECM) to calculate the correct fuel injection and ignition timing. The Chery P0335 code is often linked to a malfunction in the Crankshaft Position Sensor circuit.
2. Is it safe to drive with code P0335?
Driving with the P0335 error code is not recommended, as it can lead to decreased engine performance, decreased fuel efficiency, and potentially cause damage to other components. However, if the issue is not severe, it may be possible to drive the vehicle for a short distance to a repair shop. The P0335 trouble code can cause the engine to stall or run rough, which can be a safety hazard.
3. Will the code clear itself?
The P0335 error code will not clear itself, and it requires diagnosis and repair to resolve the issue. The code is often associated with a malfunction in the Crankshaft Position Sensor circuit, which needs to be inspected and repaired.
4. Does the sensor need replacement?
The Crankshaft Position Sensor may need replacement if it is faulty, but it’s essential to inspect the wiring and connectors first to ensure they are not damaged or corroded. The P0335 error code can be caused by a malfunction in the sensor or the circuit, and replacing the sensor without checking the wiring and connectors may not resolve the issue.
5. How much does it cost to fix?
The estimated repair cost for the P0335 error code can range from $200 to $1,000, depending on the extent of the issue and the labor costs. The cost of fixing the P0335 code can vary depending on the specific issue and the repair shop.
Related Trouble Codes
The following trouble codes are related to the P0335 error code:
- Error P0340 on Chery — Camshaft Position Sensor Circuit Malfunction
- Error P0365 on Chery — Camshaft Position Sensor B Circuit Malfunction
- Error P0390 on Chery — Crankshaft Position Sensor B Circuit Malfunction