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Powertrain Control

2003 Mercury Grand Marquis Camshaft Position Sensor, Crankshaft Position Sensor, MAP Sensor, Engine Control Module

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2003 Mercury Grand Marquis
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8 Cyl 4.6 L GAS
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8 Cyl 4.6 L GAS
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2 diagrams found for the vehicle you selected.Select your vehicle options to narrow down results.
  • 1.Electrical - Ignition System
    2003 Mercury Grand Marquis Powertrain Control Diagram 1 - Thumbnail
  • 2.Emission System - Emission Components
    2003 Mercury Grand Marquis Powertrain Control Diagram 2 - Thumbnail
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Part No. & Part Description
Price & Qty.
Part No. &
Part Description
  • XC2Z-9F472-BA
    Sensor - Hego
    • Part Notes: Green connector, BEFORE 11-29-04
    • Fit Note: 8 Cyl 4.6L
    • Require Quantity: 2
    • Package Quantity: 1
    • Callout Name: 9F472
    • Replaced By: GU2Z-9G444-A
    MSRP: $94.73 Your Price: $57.57
  • Mercury 4L3Z-19V703-AA Compressor Assy
    4L3Z-19V703-AA
    Compressor Assy
    • Part Notes: New loaded compressor assembly. Includes clutch (19D786), coil (19D798), pulley (19D786) & oil., BEFORE 26-MAR-2002
    • Callout Name: 19703
    • Replaced By: HU2Z-19703-Q
    MSRP: $601.82 Your Price: $362.45
  • F2AZ-12A648-A
    Sender Assy
    • Part Notes: Rounded connector with 2 round pins, used as ambient air temp. sensor
    • Fit Note: 8 Cyl 4.6L
    • Callout Name: 12A648
    • Replaced By: 9U2Z-12A648-A
    MSRP: $52.73 Your Price: $33.21

OEM 2003 Mercury Grand Marquis Parts for Powertrain Control

Genuine OEM 2003 Mercury Grand Marquis parts are made using the original design, the high standards, in the Mercury official factories, and all of these ensure that they always fit perfectly and easily. FordPartsDeal.com is a trusted source for finding these authentic OEM Powertrain Control parts at very competitive prices. Our professional team is here to help you choose the right 2003 Mercury Grand Marquis Camshaft Position Sensor, Crankshaft Position Sensor, MAP Sensor, Engine Control Module, and our fast delivery options ensure that your parts are always delivered quickly.

Camshaft Position Sensor, Crankshaft Position Sensor Installation and Repair Tips for 2003 Mercury Grand Marquis

  • Q: How to service the Crankshaft Position Sensor on 2003 Mercury Grand Marquis?
    A: To maintain the Crankshaft Position Sensor, it is important to begin by unconnection of the battery ground cable. Thereafter, loosen the A/C compressor and de-electricalize the electrical connector of the Crankshaft Position (CKP) sensor and take away the sensor. In order to install, just do them in reverse.
  • Q: How to service the Camshaft Position Sensor on 2003 Mercury Grand Marquis?
    A: The process of servicing the Camshaft Position sensor will require beginning by removing the battery ground cable. Next, pull out the electrical connector of the Camshaft Position (CMP) sensor and take the sensor out. In order to install the new sensor, just reverse the steps of removal to fit in the sensor.
See All Installation and Repair Tips