P2071 low

Fuel Level Sensor 'B' Circuit High

The P2071 code means the vehicle's onboard diagnostic system has detected: Fuel Level Sensor 'B' Circuit High. This is a low severity code.

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Keep driving?: Yes, but fix soon
DIY difficulty: easy
Estimated cost: $100 - $400 (parts and labor)

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Common Symptoms

Check Engine Light on
Fuel gauge reads full constantly
Range display may be inaccurate
Low fuel warning never triggers
No performance symptoms

Probable Causes (Ranked by Likelihood)

Open circuit in fuel level sensor B wiring Very High
Corroded connector pins creating high resistance High
Failed sensor with open circuit Moderate
ECM input circuit open Low

Step-by-Step Diagnostic Procedure

Check sensor B connector for corrosion
Measure sensor B resistance
Inspect wiring for open circuits
Replace sensor if resistance is out of range

Frequently Asked Questions

What does P2071 mean?

P2071 indicates: Fuel Level Sensor 'B' Circuit High. The ECM has detected an issue with this sensor or circuit.

Is P2071 serious?

Not urgent, but should be repaired to maintain accuracy and efficiency.

Can I diagnose this myself?

Basic diagnosis is possible with a scan tool and multimeter. Check wiring, connector condition, and sensor readings. Compare data to manufacturer specifications.