Question about GMC Jimmy
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Posted on Jan 02, 2017
P1744 is probably the TC going on the way out. :(
P 340 is probably the sensor itself. Don't get the Dorman one if it is the OHV motor.
P 401 is probably a bad DPF EGR sensor.
Posted on Jul 26, 2008
The Camshaft Position (CMP) Sensor detects the position of the camshaft in order to identifiy when piston No. 1 is on its compression stroke. The CMP sensor is used for ignition timing in the Ford DIS igntion system, but not in the EDIS igntion system. Both DIS/EDIS use the CMP signal for synchronizing the firing of sequential fuel injectors.
On the 3.0L vulcan engine, the CMP signal is generated by a single Hall-Effect magnetic switch, activated by a single "vane" spinning around by virture of a synchronized shaft which is driven by the camshaft.
The CMP sensor & synchronizer/shaft are located behind the intake manifold (i.e., back near the firewall on a Ranger) on the top of the cylinder block. If you just need to replace the sensor, it is a simple job of unplugging the electrical connector and removing the screws holding the sensor in place. Here is a sketch of the sensor to give you an idea what to look for:
Posted on Feb 27, 2009
SOURCE: Camshaft Position Sensor
P0340 Camshaft Position Sensor "A" Circuit Bank 1 or Single Sensor
P0700 Transmission Control System (MIL Request)
The code P1684 is real easy. The computer is stating that the battery has been disconnected within the last 50 starts.
Posted on Jun 24, 2009
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