Symptoms of a bad TPS include:
* Rough idle: The engine might idle erratically or stall.
* Poor acceleration: The engine might hesitate or struggle to accelerate.
* Check Engine light: The CEL will likely illuminate, and a diagnostic code related to the TPS will be stored in the car's computer.
* Poor fuel economy: A malfunctioning TPS can lead to inefficient fuel consumption.
To diagnose and fix a problem with your 1995 Ford Aspire's TPS:
1. Obtain a diagnostic code: Use an OBD-II scanner to retrieve any diagnostic trouble codes (DTCs) stored by the car's computer. This will pinpoint the problem. A code related to the TPS will confirm the suspicion.
2. Visual inspection (optional but recommended): Check the TPS connector for corrosion, loose wires, or damage. Look for any obvious physical damage to the sensor itself.
3. Replacement: If a diagnostic code points to the TPS or visual inspection reveals damage, replace the sensor with a new one from a reputable auto parts store. This usually involves disconnecting the electrical connector, removing the mounting screws, and installing the new sensor. Be sure to get the correct part for your specific engine.
4. Clear the codes: After installing the new TPS, clear the diagnostic trouble codes with your OBD-II scanner.
Important Note: Incorrect installation or attempting to "adjust" the TPS can damage the sensor or the engine's computer. It is strongly recommended to replace the TPS rather than try to adjust it. If you are uncomfortable performing this repair yourself, take your vehicle to a qualified mechanic.
