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Home >> Ford >> 2000 >> Contour SE, 2.5 L, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 1784 (Engine Controls - Powertrain DTC Charts And Descriptions (Except Diesel & Hybrid)) >> DTC Diagnosis >> P1900 - Output Shaft Speed (OSS) Sensor Circuit Intermittent

P1900 - Output Shaft Speed (OSS) Sensor Circuit Intermittent

WARNING: This page does not describe the selected car, but rather 32 other vehicles, including the 2007 Mercury Mountaineer, 2007 Mercury Monterey, 2007 Mercury Montego, 2007 Mercury Milan, and 2007 Mercury Mariner. However, it is still accessible from the selected car via links, so may be relevant.
P1900 - OUTPUT SHAFT SPEED (OSS) SENSOR CIRCUIT INTERMITTENT

Description:  The OSS sensor signal to the powertrain control module (PCM) is irregular or interrupted.
Possible Causes: 
  • Harness connector not properly seated
  • Harness intermittently shorted or open
  • Harness connector damaged
  • OSS sensor damaged, or not installed correctly
Diagnostic Aids:  Verify harness and connector integrity.
Verify proper installation of the OSS sensor.
Application  Key On Engine Off  Key On Engine Running  Continuous Memory 
Manual transmission refer to PINPOINT TEST DP .
All others Refer to the appropriate AUTOMATIC TRANSMISSION/TRANSAXLE article.
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