📖 What Does P0120 Mean?
Symptoms
- • Poor idle
- • stalling
- • hesitation
- • poor acceleration
- • surging
- • check engine light.
Common Causes
- • Faulty throttle position sensor
- • damaged wiring
- • poor connections
- • throttle body problems.
Possible Solutions
Replace throttle position sensor, repair wiring damage, clean throttle body, check sensor connections.
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❓ Common Questions About P0120
Can I drive with code P0120?
You can drive for a short time, but should address code P0120 soon to avoid worsening the problem or failing an emissions test.
How much does it cost to fix P0120?
The estimated repair cost for code P0120 is between $20 and $150. This includes parts and labor for most makes and models.
Is this code easy to fix myself?
Yes, this is often a DIY-friendly repair. With basic tools and the correct part, many owners can resolve this themselves in under an hour.
Required Parts
Recommended Tools
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View Best Sellers ↗Related Diagnostic Codes
Other codes that may appear with P0120
Throttle Position Sensor Circuit Range/Performance Problem
Throttle Position Sensor Circuit Low Input
Throttle Position Sensor Circuit High Input
P0124: Fuel Pressure Regulator Circuit Malfunction
P0125: Fuel Pressure Regulator Circuit Malfunction
💡 Why These Codes Are Related:
- • Similar Issues: Same root cause or component failure
- • Related Problems: Often occur together due to system interactions
- • Sequential Codes: Progressive failure stages or multiple sensors
- • Same System: Components within the same automotive system