P0371
System
Powertrain (Engine)
Scanner som krävs
Enhanced OBD2 scanner (live data graphs, freeze frame, battery voltage test)

Timing Reference High Resolution Signal A Too Many Pulses

Understand P0371, common causes, and the right FOXWELL scanner to diagnose it.

Crank sensor detecting too many pulses — damaged reluctor or sensor tip debris.

Vanliga symptom

  • Stalling
  • No-start
  • Severe misfire

Typiska orsaker

  • Damaged reluctor wheel
  • Metal on crank sensor
  • Wrong sensor installed

Vilken scanner behöver du?

Enhanced OBD2 scanner (live data graphs, freeze frame, battery voltage test)

Använd live-data och freeze frame innan du byter delar. ABS-, SRS- och U-koder kräver oftast en fullsystems-scanner.

Diagnostiktips

  • Spara freeze frame när koden först sätts
  • Rensa koden först efter att orsaken är åtgärdad
  • Kontrollera relaterade väntande koder
  • Verifiera batterispänning över 12,4 V innan du misstänker sensorer

Rekommenderade FOXWELL-scannrar

Vanliga frågor

Can I diagnose P0371 with a basic code reader?
P0371 may set in the engine module, but related diagnostics often benefit from an enhanced or full-system scanner with live data and freeze frame.
Is it safe to drive with P0371?
It depends on the code and symptoms. Flashing check engine lights and misfire codes should be addressed immediately. Consult a professional if unsure.