P0187 — Fuel Temperature Sensor B Circuit Low

What Does P0187 Mean?

P0187 is a diagnostic trouble code indicating: Fuel Temperature Sensor B Circuit Low. This code relates to the fuel and air metering system. It has been reported in NHTSA complaints across 1 different vehicle models.

Real Owner Reports

From NHTSA complaint database — actual owner descriptions.

"The contact owns a 2015 Nissan Rogue. The contact stated while attempting to accelerate from a complete stop, the vehicle failed to respond, almost causing the contact to be rear-ended by other vehicles. The contact stated that the vehicle responded as needed after depressing the accelerator pedal s"
— Nissan Rogue owner, 03/04/2025

Source: NHTSA Complaints Database

Most Reported Vehicles for P0187

Based on NHTSA owner complaint data.

#	Vehicle	Reports
1	NISSAN ROGUE

Frequently Asked Questions

Can I drive with this code?

You can usually drive short distances, but fuel economy will suffer and emissions will be higher. Get it diagnosed within a week.

Will this code cause my car to fail emissions?

Yes — any active check engine light will cause an automatic emissions test failure in most states.

How much does it typically cost to fix?

Depends on the root cause. Simple fixes like a gas cap ($5-15) to sensor replacement ($150-300) to more complex repairs ($500+).

What To Do Next

Possible Fixes

🔧 Have the code scanned with a professional-grade scanner to read freeze frame data
🔧 Clean or replace the mass air flow (MAF) sensor; check for vacuum leaks
🔧 If DIY repair isn't feasible, get a diagnostic from a trusted mechanic ($50-150)

1
Find your vehicle above
Click your make and model for real owner reports and common causes specific to your vehicle.
2
Check for recalls
Go to nhtsa.gov/recalls and enter your VIN. Free repairs if covered.
3
Get a professional diagnosis
A code alone doesn't identify the exact failed part. A diagnostic ($50–$150) pinpoints the root cause.

P0187: Fuel Temperature Sensor B Circuit Low