SYS.OK|MANUAL.DB● LIVE
HOMESERVICE MANUALSFORD2004ECONOLINE E150, VAN CARGO, 4.6 WREPAIR AND DIAGNOSIS (SINGLE PAGE)ENGINE PERFORMANCESYSTEMENGINE CONTROLS - POWERTRAIN DTC CHARTS & DESCRIPTIONS - CNG, FLEX-FUEL & GASOLINEDIAGNOSTIC TROUBLE CODE (DTC) CHARTSP0340: CAMSHAFT POSITION (CMP) SENSOR CIRCUIT MALFUNCTION (BANK 1)
2004 Ford Econoline E150, Van Cargo, 4.6 W

P0340: Camshaft Position (CMP) Sensor Circuit Malfunction (Bank 1)

2004 Ford Econoline E150, Van Cargo, 4.6 WSECTION P0340: Camshaft Position (CMP) Sensor Circuit Malfunction (Bank 1)
P0340 - CAMSHAFT POSITION (CMP) SENSOR CIRCUIT MALFUNCTION (BANK 1)

Description:  The test fails when the PCM can no longer detect the signal from the CMP sensor on Bank 1.
Possible Causes: 
  • CMP circuit open.
  • CMP circuit short to GND.
  • CMP circuit short to PWR.
  • SIG RTN open (VR sensor).
  • CMP GND open (Halleffect sensor).
  • CMP incorrectly installed (Hall-effect sensor).
  • Damaged CMP sensor shielding.
  • Damaged CMP sensor.
  • Damaged PCM.
Diagnostic Aids:  Harness routing, harness alterations, improper shielding, or electrical interference from other improperly functioning systems may have an intermittent impact on the CMP signal.
Application  Key On Engine Off  Key On Engine Running  Continuous Memory 
All GO to PINPOINT TEST DR: CAMSHAFT POSITION (CMP) SENSOR Step 1.
RENDER: 1.0x

NO RELATED

Recommended Tools & Savings

Use the Manual With the Right Hardware

Pair factory procedures with proven DIY tools so the instructions are easier to execute.

Affiliate disclosure: We may earn a commission at no extra cost to you.

Shop Manual-Ready ToolsFree Quote CheckQuote Shield Pro

When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.