Question about 2009 Chevrolet Impala
I need to locate the CKP on a 2009 chevy impala
1990 Chevrolet Cavalier 2.2L TBI 4cyl
The Crankshaft Position Sensor is located under hood, center, rear engine area, below ingnition coil pack and DIS module, mounted in engine block.
Fig. 1: View of the CKP sensor-to-crankshaft reluctor relationship
Crankshaft Position (CKP) Sensor
A magnetic crankshaft sensor (Hall Effect switch) is used which is remotely mounted on the opposite side of the engine from the DIS/IC module. The sensor protrudes in to the engine block, within about 0.050 in. (1.27mm) of the crankshaft reluctor.
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Posted on Sep 25, 2009
Testimonial: "Awesome. Thanks."
It mounts in the side of the block near the crankshaft,it fits in a hole,going into the engine block.,look on the inside of the engine compartment ,on the firewall side,left of the pulleys,down low.
Posted on Mar 22, 2010
should be on bottom of crank on left side behind the pulley.. the big metal ring with teeth on it on front side of motor..
Posted on Dec 02, 2011
SOURCE: 2004 3.8 Chevy impala sensor
The crankshaft positions sensor is located behind the crankwheel on the
passenger side of the engine. In order to replace it or at least
examine it, a person would need to remover the crankwheel with a puller
that can be rented out at Autozone. Just ask for a harmonic balancer
puller. Remove the front right tire and place firmly on jackstands. The
crankshaft pulley WILL NOT loosen by just turning the bolt. This is a
two person job. Caddycorner to the starter, there is a small plastic
plate cover that covers the driveplate/flexplate. Remove the two bolts
and pull the cover off. Have one person position a screwdriver into the
ring gear teeth and have another remove the pulley bolt. Its EXTREMELY
TIGHT and the best way to remove it is with a large rachet and a breaker
bar. Once the bolt is removed, take the puller and position
accoridngly. The threaded holes are not on the surface but inside the
pulley itself. Place large bolt in center of the puller and place the
pointed or flat tip on center of the large bolt and place. Take three
very small screws or bolts that came with the puller and position all
three in place. Once all this is done begin turning the bolt in the
middle of the puller clockwise. This will take alot of arm strength and
anywhere from 15-30 min to do. Once the wheel has come off, carefully
pry off the sensor cover which is another piece of plactic. Once the
cover is off, carefully remove the sensor and examine or replace as
needed. Installation is reverse of removal. Hope this helps
Read more: http://wiki.answers.com/Q/Where_is_the_crankshaft_position_sensor_on_2001_Impala#ixzz1xaQZV1IR
Posted on Jun 12, 2012
Testimonial: "Thanks a lot... I'll be taking it to a shop. "
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Fig. Crankshaft Position (CKP) sensor (7)
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The Crankshaft Position (CKP) Sensor is a permanent magnet output coil device that monitors the speed and position of the crankshaft. A reluctor is attached directly to the crankshaft, and is used to generate a constant signal as it passes the CKP sensor magnetic coil. The CKP Sensor utilizes system voltage (12 volts DC), or reference voltage (5 volts DC) to generate a digital output signal to the PCM that is based upon a 0.5 volt AC reference. The alternating magnetic field is used by the sensor output electronics to produce a digital pulse. The CKP sensor returns a digital ON/OFF signal pulse during each revolution of the crankshaft, with a momentary signal interrupt for the top dead center (TDC) position of the #1 cylinder. The Pulse Width Modulation pattern is used by the Powertrain Control Module (PCM) to calculate ignition timing, fuel injector timing, misfire diagnostics, and the tachometer display
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