P0336 Code — Crankshaft Position Sensor A Circuit Range/Performance (Causes & How to Fix)

Your check engine light just came on, and the scanner is flashing P0336

You’re probably wondering why the engine feels rough, why the idle wobbles, or why the car sometimes stalls. The P0336 code means the crankshaft position sensor (CPS) A circuit is delivering a signal that is either out of range or too erratic for the engine control module (ECM) to trust. Below is a complete, step‑by‑step guide that walks you through the quickest visual checks, the live‑data diagnostics, and the eventual repair. Follow the safety warnings, use the listed tools, and you’ll know exactly whether you can keep driving or need a shop.

Real-World Diagnostic Scenario: P0336

When a technician encounters P0336 in the shop, the diagnostic approach differs significantly from other codes. Unlike generic fuel system codes, P0336 requires checking specific subsystems in a particular order to avoid misdiagnosis. Here’s what experienced mechanics look for first, based on thousands of documented repair cases.

Known Technical Service Bulletins (TSBs) Related to P0336

Several manufacturers have issued TSBs specifically addressing the root causes of P0336. Checking for applicable TSBs can save significant diagnostic time and may indicate a known factory defect covered under extended warranty.

Note: TSB availability varies by manufacturer and model year. Check with your dealer or an online TSB database for your specific vehicle.

Frequently Asked Questions

Q: What is the average repair cost to fix code P0336, and does it vary by vehicle make?

The average repair cost to fix code P0336 can range from $200 to $1,000, depending on the specific vehicle make and model. For example, on a Ford F-150, the cost can be around $300 to $500, while on a Chevrolet Silverado, it can be around $400 to $700. The cost includes the replacement of the crankshaft position sensor, which is the most common cause of this code.

Q: Is it safe to drive with code P0336, or can it cause further damage to my engine?

Driving with code P0336 can be safe for a short period, but it’s not recommended to drive for an extended period as it can cause further damage to your engine. The code indicates a problem with the crankshaft position sensor, which can lead to engine stalling, rough idling, and decreased fuel efficiency. If left unrepaired, it can cause damage to the engine’s catalytic converter, oxygen sensor, and other components.

Q: What is the most common cause of code P0336 on a Toyota Camry, and how can I diagnose it?

On a Toyota Camry, the most common cause of code P0336 is a faulty crankshaft position sensor. To diagnose it, you can use a scan tool to monitor the sensor’s voltage output and compare it to the manufacturer’s specifications. You can also perform a visual inspection of the sensor and its wiring to check for any signs of damage or corrosion.

Q: Will code P0336 cause my vehicle to fail an emissions test, and what are the consequences of failing?

Yes, code P0336 can cause your vehicle to fail an emissions test. The code indicates a problem with the engine’s emissions control system, which can lead to increased emissions of harmful pollutants. If your vehicle fails an emissions test, you may be required to repair the problem and retest the vehicle before it can be registered or operated on public roads.

Q: How long does it take to repair code P0336, and can I do it myself?

The repair time for code P0336 can vary depending on the vehicle make and model, but it typically takes around 1 to 2 hours to complete. While it’s possible to repair the code yourself, it’s recommended to have a professional mechanic do the job, especially if you’re not familiar with engine repairs. The repair involves replacing the crankshaft position sensor, which requires specialized tools and knowledge.

Q: What is the difference between code P0336 and code P0335, and how can I distinguish between the two?

Code P0336 and code P0335 are both related to the crankshaft position sensor, but they indicate different problems. Code P0335 indicates a problem with the sensor’s circuit, while code P0336 indicates a problem with the sensor’s signal. To distinguish between the two, you can use a scan tool to monitor the sensor’s voltage output and compare it to the manufacturer’s specifications. You can also perform a visual inspection of the sensor and its wiring to check for any signs of damage or corrosion.

Q: Can code P0336 be caused by a low battery or a faulty alternator, and how can I rule out these possibilities?

Yes, code P0336 can be caused by a low battery or a faulty alternator. A low battery or a faulty alternator can cause the crankshaft position sensor to malfunction, leading to the code. To rule out these possibilities, you can check the battery’s voltage and the alternator’s output using a multimeter. You can also perform a load test on the battery and check the alternator’s belt for any signs of wear or damage.

Q: Is code P0336 more common on certain vehicle models, such as the Honda Civic or the Nissan Altima?

Yes, code P0336 is more common on certain vehicle models, such as the Honda Civic and the Nissan Altima. On these vehicles, the code is often caused by a faulty crankshaft position sensor, which can be prone to failure due to design or manufacturing defects. According to repair data, the Honda Civic and Nissan Altima are among the top 5 vehicles that are most likely to experience code P0336.

What Does Code P0336 Mean?

The OBD-II code P0336 refers to a problem with the crankshaft position sensor circuit range/performance. In simple terms, the engine control module (ECM) is receiving a voltage signal from the crankshaft position sensor that’s outside the expected range or is too erratic. This sensor is crucial because it tells the ECM how fast the crankshaft is turning, which is necessary for proper engine timing.

When the ECM can’t get a reliable signal from the crankshaft position sensor, it can’t accurately time the spark, leading to poor engine performance. Common symptoms of code P0336 include difficulty starting the engine, rough idling, and decreased fuel efficiency. You might also notice a decrease in engine power or the engine may stall while driving.

The crankshaft position sensor is usually located near the crankshaft and can be affected by various factors, including mechanical issues, electrical problems, or even contamination. If you’re experiencing any of these symptoms, it’s essential to diagnose and repair the issue promptly to avoid further damage to your engine.

Common Causes of P0336

Here are the most common causes of code P0336, in order of likelihood:

• Faulty crankshaft position sensor: A malfunctioning sensor is the most common cause of P0336. Over time, the sensor can wear out or become damaged, leading to incorrect voltage signals.
• Crankshaft position sensor wiring issues: Corrosion, damage, or wear on the wiring connecting the sensor to the ECM can disrupt the signal and trigger the code.
• Crankshaft position sensor reluctor ring damage: The reluctor ring is a toothed wheel that the sensor reads to determine crankshaft position. If the ring is damaged, the sensor can’t provide an accurate signal.
• Incorrect crankshaft position sensor installation: If the sensor was recently replaced or adjusted, it’s possible that it was installed incorrectly, leading to a faulty signal.
• ECM software issues: In some cases, a software glitch in the ECM can cause P0336, although this is less common.

Can I Still Drive with Code P0336?

With a medium severity rating, code P0336 indicates that the issue is significant enough to affect engine performance but not severe enough to cause immediate damage. However, driving with this code can lead to decreased fuel efficiency, reduced engine power, and potentially cause the engine to stall while driving. If you experience any of these symptoms, it’s best to address the issue as soon as possible to avoid further complications.

Estimated Repair Costs

Here are the estimated repair costs for the top 4 causes of P0336:

Frequently Asked Questions

Q: Can I replace the crankshaft position sensor myself? A: Yes, replacing the crankshaft position sensor is a relatively straightforward process that can be done at home with basic tools. However, make sure to consult your repair manual or a trusted resource for specific instructions.

Q: Will a faulty crankshaft position sensor cause my engine to stall? A: Yes, a faulty crankshaft position sensor can cause the engine to stall while driving, especially if the sensor is providing incorrect or intermittent signals.

Q: Can a bad battery cause code P0336? A: A bad battery can cause voltage fluctuations that may affect the crankshaft position sensor signal, but it’s unlikely to be the primary cause of P0336.

Q: How do I diagnose code P0336 on my Toyota/Honda/Ford/Chevrolet? A: Use a scan tool to monitor the crankshaft position sensor signal and perform basic tests to check the sensor, wiring, and reluctor ring. Consult a repair manual or a trusted resource for specific instructions.

Q: Can I drive my car with code P0336 for a long distance? A: It’s not recommended to drive your car with code P0336 for an extended period, as it can lead to decreased fuel efficiency, reduced engine power, and potentially cause the engine to stall while driving. Address the issue as soon as possible to avoid further complications.

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