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2000 CADILLAC DEVILLE

4.6L V8 Northstar•FWD•AUTOMATIC•gas
5 active safety recalls on this vehicle — view recalls
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Repairs0Labor548Torque4584Fluid6DTC721Battery1Maintenance0Recalls5
P1107moderate severityPowertrain

MAP Sensor Circuit Intermittent Low Voltage

on 2000 Cadillac DeVille 4.6L V8 Northstar · FWD

What this code means

The PCM detected intermittent low voltage drops from the MAP sensor circuit. This indicates a sporadic loss of signal, often caused by a loose connection.

Symptoms

  • Check Engine Light (intermittent)
  • Intermittent stalling
  • Surging at idle
  • Hesitation

Common causes

  • Loose MAP sensor connector
  • Intermittent open in wiring
  • Faulty MAP sensor
  • Corroded terminals

Diagnostic steps

  1. Wiggle test MAP sensor connector while monitoring voltage
  2. Inspect wiring for breaks
  3. Test MAP sensor
  4. Check 5-volt reference supply

Repair notes

Clean connectors and repair any damaged wiring. Replace MAP sensor if faulty.

Other Powertrain codes on this vehicle

🔧 Database maintained under the daily editorial review of Chris Hackleman · Master Technician · 20+ years and Jeff Moore · Master Lexus & Toyota Mechanic · 20+ years. Spot an error? Use the Help link above — a human reads every report.
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