350 tbi Throttle Position Sensor Symptoms
Throttle Position Sensor Error
To make sure your engine is always running at the best condition, it’s crucial to figure out if you encounter a 350 TBI throttle position sensor error. The 350 TBI throttle position sensor is commonly seem in 1994 chevy silverado, 1993 chevy 350 and Chevy s10 pick-up. If your TPS is on the fritz, you might run into all sorts of problems that mess with your car’s ability to drive and its gas mileage.
Common Symptoms of TPS Errors:
When the throttle position sensor failing or providing incorrect readings, it can shows in several common TPS symptoms which include:
- Poor acceleration: If the TPS is acting abnormally, the engine may have hesitation or difficulty accelerating due to incorrect fuel mixture readings.
- Erratic Idle: A bad TPS can cause irregular idling, where the engine either revs excessively or stalls unexpectedly.
- Check Engine Light: If your check engine light turns on, it could mean there’s a problem with your TPS or its circuit.
How to Diagnose Throttle Position Sensor
If you’re trying to figure out what’s wrong with your TPS in a 350 TBI system, here’s a step-by-step process you can follow:
First, take a look at the throttle position sensor and its wiring. Check for any visible damage, check for throttle position sensor connector loose connections, or corrosion that could be causing problems.
Next, use a multimeter to test the voltage output of the TPS at different throttle positions.The voltage should increase smoothly from idle to full throttle. For most setups, when the voltage at closed, throttle should be around 0.5 volts. If not, throttle position sensor function may not in good condition
If you’ve got an OBD-II scanner, you can read diagnostic trouble codes (DTCs) related to the TPS. This can give you valuable information of the specific problem.
