Other Name: SENSOR, Computer Control Sensors; Oxygen Sensor
Replaces: 25133791, 25312188
Warranty: This genuine part is guaranteed by GM's
factory warranty.
Fits the following Vehicles:
1996 GMC Sonoma | PICKUP | 4 Cyl 2.2L
GMC Sonoma Oxygen Sensor
GMC Sonoma vehicles use Oxygen Sensor for measuring the air-fuel ratio in the engine exhaust for superior efficiency and minimized pollution level. Checking the difference between the amount of oxygen in the exhaust and the traditional atmospheric level, the sensor produces a voltage that shows the richness or the leanness of the mixture. This feedback enables the engine control computer to vary the fuel injector pulse width to give the correct signal to the catalytic converter, thus, minimizing the exhaust emissions. It is common to have at least two oxygen sensors in GMC Sonoma vehicles, and their location includes before and after the catalytic converter with the upstream being the main feedback giver. The sensor works at high temperatures, and contamination of the sensors limits their durability, thus emitting more and consuming more fuel. Some of the more modern cars could have air/fuel ratio sensors instead of oxygen sensors because they have more features built in.
Each OEM GMC Sonoma Oxygen 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 Sonoma Oxygen Sensor Parts Questions & Experts Answers
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.