Nissan P1140 Error Code: How to Fix It

Q: Can I drive with Nissan P1140 code?

You can drive short distances but should address this issue promptly. The P1140 code can cause reduced fuel economy, rough idling, and potential engine damage if left unrepaired for extended periods.

Q: What causes Nissan P1140 error code?

Common causes include dirty or contaminated engine oil, faulty VTC solenoid, clogged oil screen in the solenoid, worn timing chain, damaged timing chain guides, or electrical connection issues with the VTC system.

Q: How much does it cost to fix P1140 on a Nissan?

Repair costs vary depending on the root cause. Oil change and cleaning may cost $50-100, VTC solenoid replacement typically costs $150-300, while timing chain replacement can cost $800-1500 including labor.

Q: Will P1140 code clear itself?

The P1140 code may temporarily clear if you disconnect the battery, but it will return if the underlying problem isn't fixed. The code indicates a real issue that requires proper diagnosis and repair.

Abstract

Nissan P1140 error code indicates a problem with the intake valve timing control position sensor on bank 1. This sensor monitors the position of the variable valve timing system, and when it malfunctions, your engine may experience rough idling, reduced power, or poor fuel economy.