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P1250 Chevrolet Code - Early Fuel Evaporation Heater Circuit

- Code Popularity: 6,593 Views
- Repair Importance Level: 3/3
- Repair Difficulty Level: 3/3
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What are the Possible Causes of the DTC P1250 Chevrolet?

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
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How to Fix the DTC P1250 Chevrolet?

Review the 'Possible Causes' mentioned above and visually examine the corresponding wiring harness and connectors. Ensure to check for any damaged components and inspect the connector pins for signs of being broken, bent, pushed out, or corroded.

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What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P1250 Chevrolet code, it typically requires 1.0 hour of labor. The specific diagnosis time and labor rates at auto repair shops can differ based on factors such as the location, make and model of the vehicle, and even the engine type. It is common for most auto repair shops to charge between $75 and $150 per hour.

What are Code Possible Symptoms?

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

Code P1250 Chevrolet Description

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.

OBDII Code P1250 Chevrolet - Early Fuel Evaporation Heater Circuit - AutoCodes.com
P1250 Chevrolet Code - Early Fuel Evaporation Heater Circuit

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Code P1250 Chevrolet comments

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