Description for One PerformanceTM Crankshaft Position Sensor 56027866AC
OEM Ref. # 56027866AC 56027866AE
AC Delco Ref. # 213-2039
Standard Motor Product Ref. # PC308
Airtex Ref. # 5S1806
Wells Ref. # SU3224
The One PerformanceTM Crankshaft Position Sensor 56027866AC fits the following vehicles:
Year |
Make |
Model |
Engine |
1997-2001 |
Jeep |
Cherokee |
4.0L L6 6 Cylinder |
Before Making Your Purchase
Please check our compatibility table for the year, make, model, and other specifics of your vehicle.
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Crankshaft Position Sensor Information
Description
A crank position sensor is an electronic device used in an internal combustion engine to monitor the position or rotational speed of the crankshaft. This information is used by engine management systems to control ignition system timing and other engine parameters. Before electronic crank sensors were available, the distributor would have to be manually adjusted to a timing mark on the engine. It is also commonly used as the primary source for the measurement of engine speed in revolutions per minute.
Components
Common mounting locations include the main crank pulley, the flywheel, the camshaft or on the crankshaft itself. This sensor is the most important sensor in modern day engines. When it fails, there is a chance the engine will not start, or cut out while running.
Function
The functional objective for the crankshaft position sensor is to determine the position and/or rotational speed (RPM) of the crank. Engine Control Unit's use the information transmitted by the sensor to control parameters such as ignition timing and fuel injection timing. The sensor output can also be related to other sensor data including the cam position to derive the current combustion cycle, this is very important for the starting of a four stroke engine.
Benefits
The crank sensor can be used in combination with a similar camshaft position sensor to monitor the relationship between the pistons and valves in the engine, which is particularly important in engines with variable valve timing. This method is also used to "synchronize" a four stroke engine upon starting, allowing the management system to know when to inject the fuel.
Symptoms of Failure
SES/MIL/Check Engine Light
Hesitation
Bucking
No Spark
Long cranking time
Stalling
Sudden drop in RPM
Surging
Hard Shifting
Loss of gas mileage
Misfiring
Replacement
Raise the vehicle onto jack stands. If your vehicle sits very low to the ground, jack it up onto jack stands. Use the front jack point behind the radiator to raise the vehicle up. Place jack stands underneath the front pinch welds and lower the vehicle onto the stands. Disconnect the battery cables from the battery. The crankshaft position sensor will be located on the outside side of the engine block at the end of the crankshaft. Locate the crankshaft position sensor and unplug the crankshaft position sensor electrical connector. Unfasten any bolts or screws mounting the crankshaft position sensor to the engine block. Remove the crankshaft position sensor from the engine block. Installation is reverse of removal.
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Enter Origin Code: 30103
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Warranty
All items are covered under a 1 year warranty through One Stop Shop Auto Parts. We also stock this part with a lifetime warranty here.
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