📖 What Does P0123 Mean?
Symptoms
- • High idle
- • surging
- • poor fuel economy
- • engine racing
- • difficulty controlling engine speed.
Common Causes
- • Faulty throttle position sensor
- • wiring short to power
- • poor sensor connections
- • throttle linkage problems.
Possible Solutions
Replace throttle position sensor, repair wiring shorts to power, check throttle linkage, clean connections.
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❓ Common Questions About P0123
Can I drive with code P0123?
You can drive for a short time, but should address code P0123 soon to avoid worsening the problem or failing an emissions test.
How much does it cost to fix P0123?
The estimated repair cost for code P0123 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 P0123
Throttle Position Sensor Circuit Malfunction
Throttle Position Sensor Circuit Range/Performance Problem
Throttle Position Sensor Circuit Low 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