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somedude
Dodge Dakota
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10/23/2004
00:54:36
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 Subject: cam position sensor
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Message:
My 2000 4.7 Dakota fails to start occasionally(turns over but won't start).
I pulled a 0340 code so I replaced the cam position sensor.
After replacing the sensor the truck won't start(still turns over but won't start), throwing the same code.
Any suggestions on what to check next? Is there a relay in the circuit between this sensor and the computer?
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gizmodog
Dodge Dakota
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10/23/2004
06:10:44
|  RE: cam position sensor
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Message:
Nope, no relays, just get your ohm meter out and carefully check the wires from the cam sensor connector to the pcm connectors. you may find an open wire now. I found the pins at the cam sensor to pulled. Good luck.
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somedude
Dodge Dakota
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10/23/2004
12:44:49
| RE: cam position sensor
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Message:
Ok, I'll check into the wires. Sounds reasonable - initially the pcm wasn't always receiving a signal from the sensor due to malfunctioning wiring(corrosion or whatever).
As I replaced the sensor I likely may have worsened the condition of the wiring by jiggling it around.
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Love_Bug
Dodge Dakota
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10/24/2004
12:11:43
| RE: cam position sensor
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Message:
I came across this some time back.
Published by the Automotive Service Association of Arizona Inc.
BE PROFESSIONAL - - - - ACT PROFESSIONAL
VOLUME 12 - NUMBER 1 ..........September 2001
Motor Replacement Co. - Tip of the Month
..... Q - Why have we been hearing complaints of lower than expected performances from some new Chrysler truck engines?
..... A - Customers with 200 Dodge Dakotas may complain of lower than expected performance from their 4.7LVIN N engines. According to AERA's Technical Committee, the loss or intermittent loss of the camshaft position sensor (CMP) signal could cause this.
..... The loss of the CMP signal may be the result of the CMP coming in contact with the tone wheel. If that occurs, the internal electronic circuitry of the CMP may become damaged. When this happens, there is a chance that the Malfunction Indicator Lamp (MIL) may become illuminated.
..... Most of these engines were inspected and repaired at Chrysler's manufacturing facility, but some engines still need to be repaired. If the engine has this condition, a select fit shim must be installed between the CMP and the cylinder head pad, around the CMP sensor attaching bolts. The shims come in four different thicknesses (.010", .020", .031", and .047"), depending on the amount of air gap that needs to be shimmed.
..... The shim may also have been glued in place to either the cylinder head or the mounting tang on the camshaft position sensor. If a technician is making repairs, he or she may overlook or lose the previously installed shim. This may cause the camshaft position sensor to contact the tone wheel when the CMP sensor is reinstalled or replaced.
..... Replacement part identifications are as follows: CMP sensor shim kit, part number (p/n) 05019089AA; Engine Cylinder Head Cover Gasket, right side p/n 53020878; and Camshaft Sensor, p/n 56028133AD.
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