P0182

Fuel Temperature Sensor A Circuit Low

Q: Is it safe to drive with P0182?

In most cases yes. It's a temperature-sensor signal fault and the ECM falls back to a default value, so drivability is usually normal. Fix it to keep fueling accurate.

Q: Can I just clear P0182?

It returns until the sensor or wiring is repaired. Clearing alone only resets the light temporarily.

Fuel & air metering (fuel temperature) Generic OBD-II Low

What it means

P0182 means the fuel temperature sensor 'A' signal is too low — an out-of-range reading typically caused by a short to ground, an open circuit, or a failed sensor. The ECM uses fuel temperature for fine fueling trims, so it falls back to a substitute value; the car usually keeps running normally with only minor cold-start or economy effects until the sensor is repaired.

Low

Can I keep driving? Usually still drivable — this is a temperature-sensor signal fault; the ECM substitutes a value, so expect at most minor fueling or cold-start effects.

Real-world scan data

Seen in

263

scans in the past year

Found in

<0.1%

of scans

0.1%

of scans that found faults

Appears alongside · share of P0182 scans

P0113in 35.4% of scans

P0340in 31.9% of scans

P0335in 31.6% of scans

Figures reflect only diagnostic scans recorded through our own apps and tools. Cars are typically scanned because a symptom or warning light prompted it, so these counts describe our scan records — not the incidence of faults in any model, and not the quality, reliability, or safety of any vehicle. No comparison between manufacturers or models is implied. All trademarks belong to their respective owners; no affiliation or endorsement is implied.

Common symptoms

What you'll notice

Check-engine light on
Often no noticeable driving symptom
Minor cold-start or fuel-economy effects
Fuel temperature reads implausibly high/hot on a scan tool

Common causes

Most likely first

Faulty fuel temperature sensor 'A'Likely
Signal wire shorted to ground or an open circuitCommon
Corroded or dirty connector terminalsCommon
Poor sensor groundLess often
Faulty PCM (rare — confirm the sensor and wiring first)Less often

How to diagnose & fix

Work through it in order

Read the live fuel-temperature value and compare it to actual temperature — a circuit-low fault reads out of range.
Inspect the sensor connector and wiring for a short to ground, an open, or corrosion.
Check the sensor's ground and reference voltage with the key on.
Back-probe the circuit to decide whether the sensor or the wiring is at fault.
Replace the fuel temperature sensor if it reads out of range with good wiring, then clear and re-test.

FAQ

Quick answers

Is it safe to drive with P0182?+

In most cases yes. It's a temperature-sensor signal fault and the ECM falls back to a default value, so drivability is usually normal. Fix it to keep fueling accurate.

Can I just clear P0182?+

It returns until the sensor or wiring is repaired. Clearing alone only resets the light temporarily.

Read & clear P0182 yourself

Scan your car, confirm the code, and clear it once it's fixed — with OBD DashX on your phone.

▶ Get it on Google Play

✓ Verified name — SAE J2012 / ISO 15031-6Guidance reviewed by OBD DashX