Introduction to Fuel Temperature Sensor 8-98023581-0 8980235810
The YZHIDIANF fuel temperature sensor 8-98023581-0—cross-referenced as 8980235810—is a direct OE replacement for Toyota, Lexus, and Ford Transit Tdci 2.2d and 2.4d diesel engines. An NTC thermistor sealed in a fuel-resistant housing measures fuel temperature in real time and feeds the signal to the ECU for density compensation and injection timing adjustment. Diesel fuel expands and thins as it heats up. Without an accurate fuel temperature sensor, the ECU injects the wrong fuel mass per stroke, causing power loss, black smoke, or excessive rail pressure. This plug-and-play sensor restores correct fuel metering with no wiring changes and installs in minutes.
Parameter Table of Fuel Temperature Sensor 8-98023581-0 8980235810
| Parameter | Details |
| Part Number | 8-98023581-0 / 8980235810 |
| Brand | YZHIDIANF |
| Type | Fuel Temperature Sensor |
| Technology | NTC thermistor |
| Vehicle Applications | Toyota, Lexus, Ford Transit Tdci 2.2d / 2.4d |
| Housing Material | Fuel-resistant engineering plastic |
| Connector Type | OEM-standard sealed connector |
| Operating Temperature Range | -40°C to 150°C (-40°F to 302°F) |
| Response Time | Instant signal on temperature change |
| Warranty | 12 Months |
| Delivery Time | 3–7 Days |
| Payment Terms | T/T, Western Union, PayPal |
Why Choose Our Fuel Temperature Sensor 8-98023581-0 8980235810
Accurate NTC Resistance Curve
The thermistor matches the OE resistance-to-temperature profile. When the ECU receives accurate fuel temperature data, it calculates the correct injection volume. A fuel temperature sensor that drifts a few degrees causes the ECU to over-fuel or under-fuel across the entire operating range.
Fuel-Resistant Sealed Body
The sensor housing and connector are molded from fuel-resistant engineering plastic. Unlike generic coolant sensors adapted for fuel use, this fuel temperature sensor withstands continuous immersion in diesel without seal swelling, cracking, or electrical contact contamination.
Critical for Common-Rail Diesel Accuracy
Common-rail systems on the Ford Transit Tdci 2.2d and 2.4d rely on fuel temperature data to regulate rail pressure and injector pulse width. A faulty fuel temperature sensor causes the ECU to fall back to a default value, degrading fuel economy and increasing particulate emissions. This unit restores closed-loop fuel control.
Prevents Black Smoke and Power Loss
Hot fuel is less dense. A sensor reading falsely cold tricks the ECU into injecting more fuel than needed, producing black smoke from incomplete combustion. A sensor reading falsely hot causes lean injection and power loss under load. Our fuel temperature sensor outputs the correct resistance so the ECU meters fuel accurately at every temperature.
Drop-In Fit Across Three Platforms
OE numbers 8-98023581-0 and 8980235810 cover Toyota common-rail diesels, Lexus diesel variants, and Ford Transit Tdci 2.2d/2.4d. Thread pitch, connector shell, and sealing ring match the factory part. Pull the old sensor, install the new one, plug it in. No adapter harnesses required.
12-Month Warranty
Every YZHIDIANF fuel temperature sensor includes a 12-month warranty against manufacturing defects. Orders ship within 24 hours and deliver in 3 to 7 business days.
Help Center
FAQ
Q1: How is a fuel temperature sensor different from a coolant temperature sensor?
A coolant temperature sensor monitors engine coolant in the water jacket for thermal management. A fuel temperature sensor measures fuel temperature inside the fuel system for injection density compensation. They look similar and both use NTC thermistors, but a fuel temperature sensor uses fuel-resistant materials rated for continuous diesel contact. Installing a coolant sensor in a fuel line risks seal failure and fuel leaks.
Q2: Can a bad fuel temperature sensor cause my diesel engine to smoke?
Yes. Black smoke is one of the most visible signs. When the fuel temperature sensor reads falsely cold, the ECU calculates a denser fuel mass than what actually reaches the injectors and over-fuels the engine. The excess fuel does not burn completely and exits as black soot. Replacing the fuel temperature sensor often clears the smoke immediately.
Q3: Why does the Ford Transit Tdci need a fuel temperature sensor?
The Transit Tdci 2.2d and 2.4d use common-rail direct injection. Rail pressure targets and injector opening times both depend on fuel density, which changes with temperature. The fuel temperature sensor provides this data. Without it, the ECU substitutes a fixed default value and fuel economy suffers—especially on long motorway runs where under-bonnet heat soaks the fuel system.
