Prenco 4D-1089 Engine Crankshaft Position Sensor

Overview of Prenco Engine Crankshaft Position Sensor 4D-1089

The Prenco 4D-1089 Engine Crankshaft Position Sensor is designed for precise engine timing and reliable performance. Compatible with Chevrolet Cavalier, GMC Sonoma, Isuzu Hombre, and Pontiac Sunfire models, this sensor ensures accurate crankshaft position detection for optimal engine operation.

• Terminal Type: Blade terminals for secure electrical connection
• Connector Quantity: Single connector for streamlined installation
• Connector Shape: Oblong design to match factory wiring harness
• Terminal Quantity: Two terminals for signal and ground
• Connector Gender: Female connector for compatibility with male wiring plugs
• Terminal Gender: Male terminals for proper electrical contact
• Sensor Body Diameter: 0.74 inches for precise fitment
• Mounting Bracket: Not included, designed for direct sensor mounting

Detailed Product Description

The Prenco 4D-1089 crankshaft position sensor features a blade terminal type with two male terminals housed within a female oblong connector. This configuration ensures a secure and reliable electrical connection with the vehicle’s wiring harness. The sensor body diameter of 0.74 inches allows for an exact fit in the engine block, maintaining proper alignment and signal accuracy. Although the mounting bracket is not included, the sensor is designed for direct installation in compatible Chevrolet Cavalier, GMC Sonoma, Isuzu Hombre, and Pontiac Sunfire models. This sensor plays a critical role in engine management systems by monitoring the crankshaft’s rotational position and speed, providing essential data to the engine control unit (ECU).

Compatible Vehicles and Applications

This crankshaft position sensor is compatible with the following vehicles:

• Chevrolet Cavalier
• GMC Sonoma
• Isuzu Hombre
• Pontiac Sunfire

Use the Prenco 4D-1089 sensor to replace faulty or worn crankshaft sensors in these models to restore engine timing accuracy and performance.

Common Issues Addressed by This Sensor

• Engine misfires or rough idling due to inaccurate crankshaft position data
• Difficulty starting the engine or no-start conditions
• Check engine light triggered by crankshaft sensor faults
• Reduced engine performance or stalling
• Intermittent loss of engine power or hesitation during acceleration

Installation Notes and Tips

• Ensure the vehicle is turned off and the battery is disconnected before installation
• Locate the existing crankshaft position sensor on the engine block for removal
• Disconnect the female oblong connector carefully to avoid damaging terminals
• Install the Prenco 4D-1089 sensor by aligning the 0.74-inch diameter body into the mounting hole
• Secure the sensor in place; note that a mounting bracket is not included and may need to be reused from the original sensor
• Reconnect the wiring harness and verify secure blade terminal connections
• Test engine start and operation to confirm proper sensor function

Quality Assurance and Warranty

Prenco manufactures the 4D-1089 crankshaft position sensor to meet OEM specifications for fit and function. Each sensor undergoes quality control testing to ensure reliable performance in compatible Chevrolet, GMC, Isuzu, and Pontiac vehicles. Warranty coverage details should be confirmed at the point of purchase, as terms may vary.