P0726
Engine Speed Input Circuit Range/Performance
P0726 is an OBD-II diagnostic trouble code meaning: Engine Speed Input Circuit Range/Performance. Common causes: engine speed sensor malfunction, open or short circuit in the sensor circuit. Estimated repair cost: $17–56.
Symptoms
- Unstable engine operation at idle
- Problems with gear shifting (for automatic transmission)
- Check Engine light comes on
- Reduced engine power
- Incorrect tachometer readings
Causes
- Engine speed sensor malfunction
- Open or short circuit in the sensor circuit
- Poor contact in the sensor connector
- Wiring harness damage
- Interference from other electronic devices
How to Fix
- Check the condition of the engine speed sensor
- Inspect the sensor circuit for damage
- Check the contacts in the sensor connector
- Test sensor resistance
- Replace sensor if necessary
Related codes
Error P0726 by Vehicle Brand
FAQ
What does the P0726 code mean?
P0726 is an OBD-II diagnostic trouble code that indicates: Engine Speed Input Circuit Range/Performance
What causes a P0726 error code?
The most common causes of P0726 include: Engine speed sensor malfunction; Open or short circuit in the sensor circuit; Poor contact in the sensor connector; Wiring harness damage.
How do I fix a P0726 diagnostic trouble code?
To fix P0726: Check the condition of the engine speed sensor. Inspect the sensor circuit for damage. Check the contacts in the sensor connector. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P0726?
Yes, but get it checked soon
How much does it cost to fix P0726?
The estimated repair cost for P0726 is $17–56. Actual cost depends on your vehicle, location, and labor rates.
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