How to check and replace Camshaft Position Sensor,Coolant Temperature Sensor,Crankshaft Position Sensor,Intake Manifold Temperature Sensor,Knock Sensor,Oxygen Sensor,Vehicle Speed Sensor,Neutral Safety Switch,MAP Sensor and Throttle Position Sensor on Chevrolet Blazer,S10,GMC Jimmy and Sonoma?

Various engine sensors and components have checking procedures,the engine coolant temperature (ECT) sensor is a thermistor that changes resistance with temperature, and a failure in the circuit can cause trouble codes. The resistance should be measured when cold and warm while ensuring reference voltage from PCM is around 5.0 volts for the verification. Manifold Absolute Pressure (MAP) Sensor monitors changes in intake manifold pressure then varies its voltage output accordingly. Look at the reference voltage and signal voltage with the ignition on and engine off, and observe voltage changes as the engine's vacuum changes. Intake Air Temperature (IAT) Sensor acts as a thermistor where you can measure its resistance at different temperatures to make sure it changes as expected. Also, use a scan tool to monitor the IAT sensor for performance. The oxygen sensor in exhaust detects oxygen content which you can check its millivolt signal while warming up your engine. Check whether the oxygen sensor heater has correct voltage or not. Vehicle Speed Sensor (VSS) provides speed data to PCM which can be checked for reference voltage. Depending on the type of engine, Camshaft Sensor and Crankshaft Sensor should be checked for resistance and proper signal output. Finally, Knock Sensors detect engine knock which should be checked for reference voltage and resistance. If any component fails these checks, replacement may be necessary.

Genuine GMC Jimmy Knock Sensor

Engine Knock Sensor

Select Vehicle by Model
Select Vehicle by VIN

Select Vehicle by Model

Make

Model

Year

Select Vehicle by VIN

For the most accurate results, select vehicle by your VIN (Vehicle Identification Number).

8 Knock Sensors found

View related parts
GMC Jimmy Sensor,Knock
Part Number: 10456288
$44.79 MSRP: $93.01
You Save: $48.22 (52%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: SENSOR, Distributor (also Knock Sensor); ESC Sensor, Knock Sensor
- Replaces: 10456018
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1987-1992 GMC Jimmy | 1/2 TON, 2 DOOR, 4 DOOR | 6 Cyl 2.8L, 6 Cyl 4.3L, 8 Cyl 5.0L, 8 Cyl 5.7L, 8 Cyl 6.2L Diesel
- 1985 GMC Jimmy | 1/2 TON
View related parts
GMC Jimmy Sensor,Knock
Part Number: 10456549
$35.57 MSRP: $114.39
You Save: $78.82 (69%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: SENSOR, Distributor (also Knock Sensor); ESC Sensor, Knock Sensor
- Replaces: 10456031
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1987-1993 GMC Jimmy | 1/2 TON, 2 DOOR | 6 Cyl 2.8L, 6 Cyl 4.3L, 8 Cyl 5.0L, 8 Cyl 5.7L, 8 Cyl 6.2L Diesel
View related parts
GMC Jimmy Sensor Assembly, Knock
Part Number: 21024981
$30.98 MSRP: $58.47
You Save: $27.49 (48%)
Ships in 1 Business Day
ADD TO CART
Product Specifications
- Other Name: SENSOR, Distributor (also Knock Sensor); Knock Sensor
- Replaces: 21024729
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2001 GMC Jimmy | 2 DOOR, 4 DOOR | 6 Cyl 4.3L
View related parts
GMC Jimmy Sensor,Knock
Part Number: 10456146
Product Specifications
- Other Name: SENSOR, Distributor (also Knock Sensor); ESC Sensor, Knock Sensor
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1992-1995 GMC Jimmy | 2 DOOR, 4 DOOR | 6 Cyl 4.3L
View related parts
GMC Jimmy Sensor,Knock
Part Number: 10456287
Product Specifications
- Other Name: SENSOR, Distributor (also Knock Sensor); Control Module, ESC Sensor, Knock Sensor, Sensor
- Replaces: 10456017
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1985-1993 GMC Jimmy | 1/2 TON, 2 DOOR, 4 DOOR | 6 Cyl 2.8L, 6 Cyl 4.3L, 8 Cyl 5.0L, 8 Cyl 5.7L, 8 Cyl 6.2L Diesel
View related parts
GMC Jimmy Sensor,Knock
Part Number: 10456082
Product Specifications
- Other Name: SENSOR, Distributor (also Knock Sensor); ESC Sensor, Knock Sensor
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1992-1994 GMC Jimmy | 2 DOOR, 4 DOOR | 6 Cyl 4.3L
View related parts
GMC Jimmy Sensor Assembly, Knock
Part Number: 10456218
Product Specifications
- Other Name: SENSOR, Distributor (also Knock Sensor); Knock Sensor
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1995 GMC Jimmy | 2 DOOR, 4 DOOR | 6 Cyl 4.3L
View related parts
GMC Jimmy Sensor,Knock
Part Number: 10456075
Product Specifications
- Other Name: SENSOR, Distributor (also Knock Sensor); Knock Sensor
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1996-2000 GMC Jimmy | 2 DOOR, 4 DOOR | 6 Cyl 4.3L

GMC Jimmy Knock Sensor

The Knock Sensor used in GMC Jimmy is significantly used to monitor engine knock; this is a phenomenon that takes place when the ignition timing is off. It communicates with the powertrain control module (PCM) and allows for modification of the ignition timing so as to reduce excess detonation. Usually, the knock sensors used in GMC Jimmy models are the piezoelectric ones that constantly can convert the pressure pulses, typical for knocking, into electrical signals. Through the years, there have been improvements in the design of knock sensors such that it is possible to tweak the ignition timing for each cylinder and there is even the capacity to control boost pressure in some designs. This in turn provides for the optimal operation near the "knock limit," improving the performance with lower octane fuels and at the same time reducing the possibility of damage. The aspect of integration of such systems is evident as a transition of engine management approaches in GMC Jimmy vehicles.

Each OEM GMC Jimmy Knock Sensor we offer is competitively priced and comes with the assurance of the manufacturer's warranty for the part. Furthermore, we guarantee the speedy delivery of your orders right to your doorstep. Our hassle-free return policy is also in place for your peace of mind.

GMC Jimmy Knock Sensor Parts Questions & Experts Answers

Sensor Assembly, Knock
10456218
Q: How to check and replace Camshaft Position Sensor,Coolant Temperature Sensor,Crankshaft Position Sensor,Intake Manifold Temperature Sensor,Knock Sensor,Oxygen Sensor,Vehicle Speed Sensor,Neutral Safety Switch,MAP Sensor and Throttle Position Sensor on Chevrolet Blazer,S10,GMC Jimmy and Sonoma?
A: Various engine sensors and components have checking procedures,the engine coolant temperature (ECT) sensor is a thermistor that changes resistance with temperature, and a failure in the circuit can cause trouble codes. The resistance should be measured when cold and warm while ensuring reference voltage from PCM is around 5.0 volts for the verification. Manifold Absolute Pressure (MAP) Sensor monitors changes in intake manifold pressure then varies its voltage output accordingly. Look at the reference voltage and signal voltage with the ignition on and engine off, and observe voltage changes as the engine's vacuum changes. Intake Air Temperature (IAT) Sensor acts as a thermistor where you can measure its resistance at different temperatures to make sure it changes as expected. Also, use a scan tool to monitor the IAT sensor for performance. The oxygen sensor in exhaust detects oxygen content which you can check its millivolt signal while warming up your engine. Check whether the oxygen sensor heater has correct voltage or not. Vehicle Speed Sensor (VSS) provides speed data to PCM which can be checked for reference voltage. Depending on the type of engine, Camshaft Sensor and Crankshaft Sensor should be checked for resistance and proper signal output. Finally, Knock Sensors detect engine knock which should be checked for reference voltage and resistance. If any component fails these checks, replacement may be necessary.

Related GMC Jimmy Parts

Browse by Year

2001 Knock Sensor 2000 Knock Sensor 1999 Knock Sensor 1998 Knock Sensor 1997 Knock Sensor 1996 Knock Sensor 1995 Knock Sensor 1994 Knock Sensor 1993 Knock Sensor 1992 Knock Sensor 1991 Knock Sensor 1990 Knock Sensor 1989 Knock Sensor 1988 Knock Sensor 1987 Knock Sensor 1986 Knock Sensor 1985 Knock Sensor