150 PSI “TI” Fuel/Oil/Wastegate Pressure Sensor Thread: 1/8 NPT

Standard Telemetry Precision: 150 PSI “TI” Pressure Sensor

The 150 PSI “TI” Pressure Sensor is the industry’s most common choice for monitoring critical engine vitals such as oil pressure and fuel pressure. Featuring a robust media-isolated sensing element and a 1/8 NPT thread, this sensor provides the high-fidelity data needed for professional standalone ECU integration. In high-performance RB26, JZ, and LS-swap builds, the “TI” series sensor is a foundation of the safety mapping strategy, providing the ECU with the data required for detonation protection through load management and pressure-based fueling compensations.

Engineering Principles: TI Media Isolation and Signal Stability

The “TI” designation refers to a high-performance integrated circuit that isolates the delicate sensing elements from the measured fluid. This Analogue-to-Digital interface allows the ECU to monitor pressures from 0 to 150 PSI with exceptional linearity and repeatable accuracy. This resolution is vital for fine-tuning the fuel map calibration, as it allows the tuner to detect minute drops in fuel pressure that could indicate a failing regulator or pump cavitation. The sensor utilizes a 5V reference supply and returns a linear voltage signal (typically 0.5-4.5V), which is standard across Haltech Elite and Nexus engine management systems.

Operational Benefits for Professional Engine Safety

Integrating 150 PSI “TI” sensors with a standalone ECU enables advanced engine protection maps. For example, the ECU can be programmed to instantly retard Ignition Timing or drop boost targets via closed-loop boost control if it detects oil pressure dropping below a specific threshold relative to RPM. This proactive strategy is what separates reliable high-power street cars from unreliable ones. Additionally, the sensor is compatible with the iC-7 Digital Display, providing the driver with a deterministic pressure readout for confident driving. All Haltech “TI” sensors are individually electronically tested before packaging to ensure they meet laboratory-grade standards.

Installation and Harness Integration

A critical engineering Note for this sensor is that it must not be mounted directly into the fuel rail or engine block. To survive, it must be remote-mounted and connected via a flexible hose (such as HT-039103) to isolate it from mechanical vibration. The kit includes the matching plug and pins and a -4 AN adaptor for a professional harness integration finish. During installation, the use of a proper thread sealant is mandatory for a weatherproof and pressure-tight seal. It is universally compatible with all standalone ECUs and is a favorite among professional loom builders for its compact size and reliable signal output.

Technical Specifications Table

Summary & Includes

The 150 PSI “TI” Pressure Sensor is the essential tool for professional engine monitoring. Includes: 1 x 150 PSI Sensor, Matching Plug/Pins, and a -4 AN Adaptor. Note: Remote mounting via flexible hose is a non-negotiable requirement for motorsport durability.