How to replace the Crankshaft Position Sensor on Chevrolet Colorado?

You should start by lifting and supporting the vehicle to access the Crankshaft Position Sensor. Remove the connector from the crankshaft position sensor on the wiring harness, then loosen and take out the CKP sensor bolt and remove the CKP sensor from the engine block and discard the O-rings. During installation, attach new O-ring seals to the CKP sensor and apply some clean engine oil to them. Set the CKP sensor into the engine block and add the GM P/N 12346004 (Canadian P/N 10953480) sealer to the bolt's threads, being sure to observe the fastener instructions. Screw in the CKP sensor bolt with a torque of 10 Nm (89 lb in). Attach the electrical connector from the wiring harness to the CKP sensor , lower the vehicle, and carry out the crankshaft (CKP) system variation learn process.

How to service and repair the Crankshaft Position Sensor on Chevrolet S10?

The Crankshaft Position Sensor service starts with scanning the powertrain control module (PCM) through a scan tool to check for diagnostic trouble codes (DTCs) but additional investigation should occur if any dtcs other than p1336 appear. The technician will perform the crankshaft position (CKP) variation learn procedure on the diagnostic tool and check how long the engine's fuel supply becomes cut-off. The scan tool requires users to perform these sequential steps: wheelchair blocking, vehicle brake application, ignition cycle from off to on, maintaining brake pedal pressure, engine start and idling, a/c system deactivation, and transmission placement into park (A/T) or neutral (M/T). The scan tool conducts monitoring of ckp sensor activities together with cmp sensor monitoring as well as engine coolant temperature (ECT). Address any unmet conditions immediately. Enable the ckp system variation learn procedure after preparation but immediately release the throttle whenever engine deceleration occurs to let engine control restore to operator control. Take the engine speed from idle to the specified rpm level by slow throttle actuation while releasing the throttle when the engine reaches the fuel cut-off threshold. After activating the learn status mode the scan tool will show another message. Learned this ignition." engine symptoms need to be checked if the message does not appear and no new dtcs display. Check the dtc list to find details because a dtc is present. After a successful learn procedure conclusion turn off ignition for 30 seconds.

OEM Chevrolet Crankshaft Position Sensor

Engine Crankshaft Position Sensor

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65 Crankshaft Position Sensors found

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Chevrolet Crankshaft Position Sensor Part Number: 12613030
$36.50 MSRP: $68.55
You Save: $32.05 (47%)
Ships in 1 Business Day
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Product Specifications
- Other Name: Sensor, Distributor (Also Knock Sensor); Engine Crankshaft Position Sensor; Camshaft Position Sensor; Crankshaft Sensor
- Replaces: 12590991
Fits the following Chevrolet Models:
- Equinox | 2008-2009 | Sport | 6 Cyl 3.6 L GAS
- Malibu | 2008-2009 | LT, LTZ | 6 Cyl 3.6 L GAS
- Traverse | 2009 | LS, LT, LTZ | 6 Cyl 3.6 L GAS
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Chevrolet Crankshaft Position Sensor Part Number: 12597254
$28.62 MSRP: $51.80
You Save: $23.18 (45%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Sensor Assembly-Crankshaft Position; Sensor, Distributor (Also Knock Sensor)
Fits the following Chevrolet Models:
- Trailblazer | 2008-2009 | Base, LT | 6 Cyl 4.2 L GAS
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Chevrolet Crankshaft Position Sensor Part Number: 12560228
$66.20 MSRP: $119.82
You Save: $53.62 (45%)
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Product Specifications
- Other Name: Sensor, Distributor (Also Knock Sensor); Engine Camshaft Position Sensor; Crankshaft Sensor
- Replaces: 12555566
Fits the following Chevrolet Models:
- Avalanche 1500 | 2002-2006 | Base, LS, LT, North Face, On Road Edition, WBH, Z66, Z71 | 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L GAS
- Camaro | 1998-2002 | Z28, Z28 SS | 8 Cyl 5.7 L GAS
- Corvette | 1997-2005 | 50th Anniversary Edition, 50th Anniversary Edition Pace Car, Base, Indianapolis 500 Pace Car, Z06 | 8 Cyl 5.7 L GAS, 8 Cyl 6.0 L GAS
- Express 1500 | 2003-2007 | Base, LS, LT | 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L GAS
- Express 2500 | 2003-2007 | Base, LS, LT | 8 Cyl 4.8 L GAS, 8 Cyl 5.3 L GAS, 8 Cyl 6.0 L CNG, 8 Cyl 6.0 L GAS
- Express 3500 | 2003-2007 | Base, LS, LT | 8 Cyl 4.8 L GAS, 8 Cyl 6.0 L CNG, 8 Cyl 6.0 L GAS
- Impala | 2006-2007 | SS | 8 Cyl 5.3 L GAS
- Monte Carlo | 2006-2007 | SS | 8 Cyl 5.3 L GAS
- SSR | 2003-2006 | Base | 8 Cyl 5.3 L GAS, 8 Cyl 6.0 L GAS
- Silverado 1500 | 1999-2006 | Base, Hybrid, LS, LT, SS, WT, Z71 Off-Road | 8 Cyl 4.8 L GAS, 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L FULL HYBRID EV-GAS (FHEV), 8 Cyl 5.3 L GAS, 8 Cyl 6.0 L GAS
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Chevrolet Knock Sensor Part Number: 21024981
$32.61 MSRP: $61.25
You Save: $28.64 (47%)
Ships in 1 Business Day
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Product Specifications
- Other Name: Sensor, Distributor (Also Knock Sensor)
- Replaced by: 19434673
- Replaces: 21024729
Fits the following Chevrolet Models:
- Astro | 2001-2005 | Base, LS, LT | 6 Cyl 4.3 L GAS
- Blazer | 2001-2005 | Base, LS, LT, Trailblazer, Xtreme, ZR2 | 6 Cyl 4.3 L GAS
- Express 1500 | 2003-2005 | Base, LS | 6 Cyl 4.3 L GAS
- Express 2500 | 2001-2005 | Base, LS | 6 Cyl 4.3 L GAS
- S10 | 2001-2004 | Base, LS, Xtreme, ZR2, ZR5 | 6 Cyl 4.3 L GAS
- Silverado 1500 | 2001-2004 | Base, LS, LT, WT | 6 Cyl 4.3 L GAS
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Chevrolet Crankshaft Position Sensor Part Number: 55567243
$27.87 MSRP: $49.76
You Save: $21.89 (44%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Sensor Assembly-Crankshaft Position; Engine Crankshaft Position Sensor; Crankshaft Sensor; Sensor, Distributor (Also Knock Sensor)
Fits the following Chevrolet Models:
- Cruze | 2011-2015 | L, LS | 4 Cyl 1.8 L FLEX, 4 Cyl 1.8 L GAS
- Cruze Limited | 2016 | L, LS, LT | 4 Cyl 1.8 L FLEX, 4 Cyl 1.8 L GAS
- Sonic | 2012-2018 | LS, LT, LTZ | 4 Cyl 1.8 L FLEX, 4 Cyl 1.8 L GAS
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Chevrolet Crankshaft Position Sensor Part Number: 12674702
$44.84 MSRP: $91.06
You Save: $46.22 (51%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Sensor Assembly-Crankshaft Position; Camshaft Position Sensor; Crankshaft Sensor; Sensor, Distributor (Also Knock Sensor)
- Replaces: 12627185, 12632872
Fits the following Chevrolet Models:
- Blazer | 2019-2021 | Base, L, LT | 4 Cyl 2.5 L GAS
- Camaro | 2016-2023 | LS, LT | 4 Cyl 2.0 L GAS
- Colorado | 2015-2022 | Base, LT, WT, Z71 | 4 Cyl 2.5 L GAS
- Corvette | 2023-2024 | Z06 | 8 Cyl 5.5 L GAS
- Equinox | 2018-2020 | LT, Premier | 4 Cyl 2.0 L GAS
- Impala | 2014-2019 | LS, LT, LTZ | 4 Cyl 2.5 L FLEX, 4 Cyl 2.5 L GAS
- Malibu | 2013-2022 | LS, LT, LTZ, Premier | 4 Cyl 2.0 L GAS, 4 Cyl 2.5 L GAS
- Malibu Limited | 2016 | LS, LT, LTZ | 4 Cyl 2.5 L GAS
- Traverse | 2018-2019 | RS | 4 Cyl 2.0 L GAS
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Chevrolet Crankshaft Position Sensor, Green Line Part Number: 12588992
$33.33 MSRP: $62.60
You Save: $29.27 (47%)
Ships in 1 Business Day
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Product Specifications
- Other Name: Sensor Assembly-Crankshaft Position; Engine Crankshaft Position Sensor; Crankshaft Sensor
- Replaced by: 12674703
Fits the following Chevrolet Models:
- Captiva Sport | 2012-2015 | LS, LT, LTZ | 4 Cyl 2.4 L FLEX
- Cobalt | 2006-2010 | Base, LS, LT, LTZ, Sport, SS | 4 Cyl 2.0 L GAS, 4 Cyl 2.2 L GAS, 4 Cyl 2.4 L GAS
- Equinox | 2010-2017 | L, LS, LT, LTZ, Premier | 4 Cyl 2.4 L FLEX, 4 Cyl 2.4 L GAS
- HHR | 2006-2010 | LS, LS Panel, LT, LT Panel, SS, SS Panel | 4 Cyl 2.0 L GAS, 4 Cyl 2.2 L FLEX, 4 Cyl 2.2 L GAS, 4 Cyl 2.4 L FLEX, 4 Cyl 2.4 L GAS
- Impala | 2014 | Eco | 4 Cyl 2.4 L MILD HYBRID EV-GAS (MHEV)
- Malibu | 2007-2014 | Classic LS, Eco, Hybrid, LS, LT, LTZ | 4 Cyl 2.2 L GAS, 4 Cyl 2.4 L FLEX, 4 Cyl 2.4 L FULL HYBRID EV-GAS (FHEV), 4 Cyl 2.4 L GAS, 4 Cyl 2.4 L MILD HYBRID EV-GAS (MHEV)
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Chevrolet Crankshaft Position Sensor Part Number: 12662533
$14.24 MSRP: $25.78
You Save: $11.54 (45%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Sensor Assembly-Crankshaft Position; Crankshaft Sensor; Sensor, Distributor (Also Knock Sensor)
- Replaces: 12638559
Fits the following Chevrolet Models:
- Cruze | 2016-2019 | L, LS, LT, Premier | 4 Cyl 1.4 L GAS
- Spark | 2016-2022 | ACTIV, LS, LT | 4 Cyl 1.4 L GAS
- Trax | 2021-2022 | LS, LT | 4 Cyl 1.4 L GAS
- Volt | 2016-2019 | LT, Premier | 4 Cyl 1.5 L PLUG-IN HYBRID EV-GAS (PHEV)
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Chevrolet Crankshaft Position Sensor Part Number: 12789959
$28.77 MSRP: $54.03
You Save: $25.26 (47%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Sensor; Crankshaft Sensor; Sensor, Distributor (Also Knock Sensor)
Fits the following Chevrolet Models:
- Cobalt | 2005-2007 | SS | 4 Cyl 2.0 L GAS
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Chevrolet Crankshaft Position Sensor Part Number: 12664495
$17.01 MSRP: $31.94
You Save: $14.93 (47%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Sensor Assembly-Crankshaft Position; Crankshaft Sensor; Sensor, Distributor (Also Knock Sensor)
Fits the following Chevrolet Models:
- Traverse | 2018-2023 | High Country, L, LS, LT, Premier, RS | 6 Cyl 3.6 L GAS
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Chevrolet Crankshaft Position Sensor Part Number: 12672641
$36.91 MSRP: $74.98
You Save: $38.07 (51%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Sensor Assembly-Crankshaft Position; Crankshaft Sensor; Sensor, Distributor (Also Knock Sensor)
- Replaces: 98079567
Fits the following Chevrolet Models:
- Express 2500 | 2010-2016 | Base | 8 Cyl 6.6 L DIESEL
- Express 3500 | 2010-2016 | Base, LS, LT | 8 Cyl 6.6 L DIESEL
- Silverado 2500 HD | 2015-2016 | High Country, LT, LTZ, WT | 8 Cyl 6.6 L DIESEL
- Silverado 3500 HD | 2015-2016 | High Country, LT, LTZ, WT | 8 Cyl 6.6 L DIESEL
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Chevrolet Crankshaft Position Sensor Part Number: 55555806
$111.18 MSRP: $198.53
You Save: $87.35 (44%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Sensor, Distributor (Also Knock Sensor); Engine Crankshaft Position Sensor; Crankshaft Sensor
Fits the following Chevrolet Models:
- Aveo | 2009-2011 | LS, LT | 4 Cyl 1.6 L GAS
- Aveo5 | 2009-2011 | LS, LT | 4 Cyl 1.6 L GAS
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Chevrolet Crankshaft Position Sensor Part Number: 12667201
$23.73 MSRP: $44.56
You Save: $20.83 (47%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Sensor Assembly-Crankshaft Position; Crankshaft Sensor; Sensor, Distributor (Also Knock Sensor)
- Replaced by: 12712848
Fits the following Chevrolet Models:
- Corvette | 2022 | Stingray | 8 Cyl 6.2 L GAS
- Silverado 1500 | 2016-2023 | Custom, Custom Trail Boss, High Country, LS, LT, LT Trail Boss, LTZ, PPV, RST, SSV, WT, ZR2 | 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L GAS, 8 Cyl 5.3 L MILD HYBRID EV-GAS (MHEV), 8 Cyl 6.2 L GAS
- Silverado 1500 LD | 2019 | Custom, LT, WT | 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L GAS
- Silverado 1500 LTD | 2022 | Custom Trail Boss, High Country, LT, LT Trail Boss, LTZ, RST, SSV, WT | 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L GAS, 8 Cyl 6.2 L GAS
- Suburban | 2021-2023 | Commercial, High Country, LS, LT, Premier, RST, Z71 | 8 Cyl 5.3 L GAS, 8 Cyl 6.2 L GAS
- Tahoe | 2021-2023 | Commercial, High Country, LS, LT, PPV, Premier, RST, SSV, Z71 | 8 Cyl 5.3 L GAS, 8 Cyl 6.2 L GAS
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Chevrolet Crankshaft Position Sensor Part Number: 55492970
$31.23 MSRP: $58.64
You Save: $27.41 (47%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Sensor Assembly-Crankshaft Position; Crankshaft Sensor; Sensor, Distributor (Also Knock Sensor)
Fits the following Chevrolet Models:
- Malibu | 2016-2019 | Hybrid | 4 Cyl 1.8 L FULL HYBRID EV-GAS (FHEV)
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Chevrolet Crankshaft Position Sensor Part Number: 12855170
$32.07 MSRP: $60.22
You Save: $28.15 (47%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Sensor Assembly-Crankshaft Position; Crankshaft Sensor; Sensor, Distributor (Also Knock Sensor)
Fits the following Chevrolet Models:
- Cruze | 2014-2015 | Diesel | 4 Cyl 2.0 L DIESEL
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Chevrolet Crankshaft Position Sensor Part Number: 55578624
$19.91 MSRP: $36.04
You Save: $16.13 (45%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Sensor Assembly-Crankshaft Position; Crankshaft Sensor; Sensor, Distributor (Also Knock Sensor)
Fits the following Chevrolet Models:
- Cruze | 2017-2019 | Diesel, LT | 4 Cyl 1.6 L DIESEL
- Equinox | 2018-2019 | LT, Premier | 4 Cyl 1.6 L DIESEL
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Chevrolet Knock Sensor Part Number: 12663209
$4.48 MSRP: $8.00
You Save: $3.52 (44%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Sensor, Distributor (Also Knock Sensor)
Fits the following Chevrolet Models:
- Blazer | 2020-2023 | LT, Premier | 4 Cyl 2.0 L GAS
- Colorado | 2023 | LT, Trail Boss, WT, Z71, ZR2 | 4 Cyl 2.7 L GAS
- Silverado 1500 | 2019-2023 | Custom, Custom Trail Boss, LT, LT Trail Boss, RST, WT | 4 Cyl 2.7 L GAS
- Silverado 1500 LTD | 2022 | Custom, Custom Trail Boss, LT, RST, WT | 4 Cyl 2.7 L GAS
- Trailblazer | 2021-2024 | ACTIV, LS, LT, RS | 3 Cyl 1.3 L GAS
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Chevrolet Crankshaft Position Sensor Part Number: 55593759
$31.31 MSRP: $58.80
You Save: $27.49 (47%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Sensor Assembly-Crankshaft Position; Crankshaft Sensor; Sensor, Distributor (Also Knock Sensor)
Fits the following Chevrolet Models:
- Colorado | 2016-2022 | LT, WT, Z71, ZR2 | 4 Cyl 2.8 L DIESEL
- Express 2500 | 2017-2022 | Base, LS, LT | 4 Cyl 2.8 L DIESEL
- Express 3500 | 2017-2022 | Base, LS, LT | 4 Cyl 2.8 L DIESEL
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Chevrolet Camshaft Position Sensor Part Number: 19417445
$69.96 MSRP: $124.92
You Save: $54.96 (44%)
Product Specifications
- Other Name: Sensor Assembly, Camshaft Position (Kit); Engine Camshaft Position Sensor; Camshaft Sensor; Cam Sensor; Position Sensor; Switch; Sensor, Distributor (Also Knock Sensor)
- Replaces: 10490645, 10485432
Fits the following Chevrolet Models:
- Astro | 1996-2005 | Base, LS, LT | 6 Cyl 4.3 L GAS
- Blazer | 1995-2005 | Base, LS, LT, Trailblazer, Xtreme, ZR2 | 6 Cyl 4.3 L GAS
- C1500 | 1997-1999 | Base, Cheyenne, LS, Silverado, WT | 6 Cyl 4.3 L GAS, 8 Cyl 5.0 L GAS, 8 Cyl 5.7 L GAS
- C1500 Suburban | 1997-1999 | Base, LS, LT | 8 Cyl 5.7 L GAS
- C2500 | 1997-2000 | Base, Cheyenne, LS, Silverado, WT | 8 Cyl 5.0 L GAS, 8 Cyl 5.7 L CNG, 8 Cyl 5.7 L GAS, 8 Cyl 7.4 L GAS
- C2500 Suburban | 1997-1999 | Base, LS, LT | 8 Cyl 5.7 L GAS, 8 Cyl 7.4 L GAS
- C3500 | 1997-2000 | Base, Cheyenne, LS, Silverado | 8 Cyl 5.7 L CNG, 8 Cyl 5.7 L GAS, 8 Cyl 7.4 L GAS
- Express 1500 | 1996-2007 | Base, LS, LT | 6 Cyl 4.3 L GAS, 8 Cyl 5.0 L GAS, 8 Cyl 5.7 L GAS
- Express 2500 | 1996-2006 | Base, LS | 6 Cyl 4.3 L GAS, 8 Cyl 5.0 L GAS, 8 Cyl 5.7 L BI-FUEL, 8 Cyl 5.7 L CNG, 8 Cyl 5.7 L GAS
- Express 3500 | 1996-2002 | Base, LS | 6 Cyl 4.3 L GAS, 8 Cyl 5.7 L BI-FUEL, 8 Cyl 5.7 L CNG, 8 Cyl 5.7 L GAS, 8 Cyl 7.4 L GAS
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Chevrolet Crankshaft Position Sensor Part Number: 25198942
$44.50 MSRP: $79.46
You Save: $34.96 (44%)
Product Specifications
- Other Name: Sensor Assembly-Crankshaft Position; Engine Crankshaft Position Sensor; Crankshaft Sensor; Sensor, Distributor (Also Knock Sensor)
- Replaces: 25182450, 96434780, 96253542
Fits the following Chevrolet Models:
- Aveo | 2004-2008 | Base, LS, LT, Special Value | 4 Cyl 1.6 L GAS
- Aveo5 | 2007-2008 | LS, Special Value | 4 Cyl 1.6 L GAS

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Chevrolet Crankshaft Position Sensor

Choose OEM Crankshaft Position Sensor, you're making the optimal decision for superior quality and perfect performance. You can feel confident because each component goes through stringent quality checks. Every part is carefully built to comply with Chevrolet's factory specifications. You'll enjoy a smooth, worry-free installation that fits just right. At ChevyPartsDeal.com, you'll find it easy to get top-quality OEM Chevrolet Crankshaft Position Sensor. You can shop at highly competitive prices and protect your budget. All our genuine Chevrolet parts include a dependable manufacturer's warranty. You'll also appreciate our straightforward return policy and swift delivery services for extra convenience.

Chevrolet Crankshaft Position Sensor maintains timing of the engine to give the engine snappy start and easy pull. Ever since 1911 Chevrolet has released vehicles and trucks that combine normal utility with aggressive style. Chevy is banking on rugged dynamos, spacious interiors and simple dials that enable motorists to enter the car and drive. The long highway transportations are made lighter with infotainments connecting fast and driver aids reducing fatigue. The urban tracks remain uncomplicated with narrow steering wheel coupled with a limited size on enticing compacts and sports utility vehicles. Chevy continues to move forward, electric options, more competitive safety technology and affordability in their maintenance cycles. A fit is had by road-trip enthusiasts and novice buyers alike, and the range includes zippy hatchbacks and burly full-size pickups. The sensor of the crankshaft position detects the crank, flywheel or shaft with inductive, magnetoresistive or optical technology and transmits instant data to the powertrain computer to activate injection timing and spark with milliseconds accuracy at all loads and temperatures. Lapsed communication of a faulty Crankshaft Position Sensor may cause stalling of an engine or prevent it from starting at all. The drivers are able to watch hesitation disappear after the little sender is functioning since the process of fuel pulse and spark bursting on demand repeats over and over again. The overall outcome is accelerated starting, smoother idle, increased pulling power and improved mileage in the Chevy line.

Chevrolet Crankshaft Position Sensor Parts and Q&A

Crankshaft Position Sensor
12703627
Q: How to replace the Crankshaft Position Sensor on Chevrolet Colorado?
A:
You should start by lifting and supporting the vehicle to access the Crankshaft Position Sensor. Remove the connector from the crankshaft position sensor on the wiring harness, then loosen and take out the CKP sensor bolt and remove the CKP sensor from the engine block and discard the O-rings. During installation, attach new O-ring seals to the CKP sensor and apply some clean engine oil to them. Set the CKP sensor into the engine block and add the GM P/N 12346004 (Canadian P/N 10953480) sealer to the bolt's threads, being sure to observe the fastener instructions. Screw in the CKP sensor bolt with a torque of 10 Nm (89 lb in). Attach the electrical connector from the wiring harness to the CKP sensor , lower the vehicle, and carry out the crankshaft (CKP) system variation learn process.
Camshaft Position Sensor
19417445
Q: How to service and repair the Crankshaft Position Sensor on Chevrolet S10?
A:
The Crankshaft Position Sensor service starts with scanning the powertrain control module (PCM) through a scan tool to check for diagnostic trouble codes (DTCs) but additional investigation should occur if any dtcs other than p1336 appear. The technician will perform the crankshaft position (CKP) variation learn procedure on the diagnostic tool and check how long the engine's fuel supply becomes cut-off. The scan tool requires users to perform these sequential steps: wheelchair blocking, vehicle brake application, ignition cycle from off to on, maintaining brake pedal pressure, engine start and idling, a/c system deactivation, and transmission placement into park (A/T) or neutral (M/T). The scan tool conducts monitoring of ckp sensor activities together with cmp sensor monitoring as well as engine coolant temperature (ECT). Address any unmet conditions immediately. Enable the ckp system variation learn procedure after preparation but immediately release the throttle whenever engine deceleration occurs to let engine control restore to operator control. Take the engine speed from idle to the specified rpm level by slow throttle actuation while releasing the throttle when the engine reaches the fuel cut-off threshold. After activating the learn status mode the scan tool will show another message. Learned this ignition." engine symptoms need to be checked if the message does not appear and no new dtcs display. Check the dtc list to find details because a dtc is present. After a successful learn procedure conclusion turn off ignition for 30 seconds.