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Engine Speed Sensor Circuit
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Overview
| CODE | REASON | EFFECT |
| Fault Code: 753 PID: S064 SPN: 723 FMI: 2/2 LAMP: Yellow SRT: |
Engine position signal from the camshaft and crankshaft engine position sensors do |
Low power, rough idle, or possible white smoke. |
 Engine Speed Sensor Circuit
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Circuit Description
The engine speed sensor is a solid-state sensor that provides the engine speed signal to the electronic control module (ECM) through the engine harness.
Component Location
The crankshaft engine speed sensor is located on the front cover of the gear housing. This is on the intake side of the vibration damper. The camshaft engine speed sensor is located in the cylinder head above the ECM.
Shop Talk
If the problem occurs
only at a certain engine temperature, be sure to check the engine speed sensor circuit while the engine is at that particular temperature.
Refer to Troubleshooting Fault Code t05-753.
Last Modified: 26-Oct-2010
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