Engine-Codes - Buick - P1250 Buick

P1250 Buick Code - Early Fuel Evaporation Heater Circuit

- Code Popularity: 3,775 Views
- Repair Importance Level: 3/3
- Repair Difficulty Level: 3/3
Table of contents
ChatAC AutoCodes.com AI Chat

What are the Possible Causes of the DTC P1250 Buick?

NOTE: The causes shown may not be a complete list of all potential problems, and it is possible that there may be other causes.
  • Faulty Early Fuel Evaporation (EFE) resistor
  • Early Fuel Evaporation (EFE) resistor harness is open or shorted
  • Early Fuel Evaporation (EFE) resistor circuit poor electrical connection
⚠ Does your Buick have Safety Recalls? → Check here

How to Fix the DTC P1250 Buick?

Check the 'Possible Causes' listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector pins.

Search for P1250 Buick Questions and Answers: Search here →

What is the Cost to Diagnose the Code?

Labor: 1.0

The cost to diagnose the P1250 Buick code is 1.0 hour of labor. The diagnosis time and labor rates at auto repair shops vary depending on the location, make and model of the vehicle, and even the engine type. Most auto repair shops charge between $75 and $150 per hour.

What are Code Possible Symptoms?

  • Engine Light ON (or Service Engine Soon Warning Light)

What Does the P1250 Buick Code Mean?

With the engine running, BARO input over 75 kPa, Intake Air Temperature (IAT) input from 14-122°F, fuel level over 25% then the Powertrain Control Module (PCM) detects that the Early Fuel Evaporation (EFE) resistor circuit voltage was below 2.5v with the EFE heater off, or the circuit voltage was over 0.3v with the EFE heater on for 5 seconds.

P1250 Buick Code - Early Fuel Evaporation Heater Circuit

Need more Information on the Code?

Need more information on how to fix the P1250 Buick code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P1250 Buick code diagnosed by a professional: Find a repair shop in your area