OBD Codes

P1216

Fuel Solenoid Response Time Too Long (GM)

Moderatefuel system

Overview

The P1216 code indicates a fuel solenoid response time too long (gm) condition has been detected by the vehicle's powertrain control module (PCM). This code relates to the fuel delivery and metering system, which is responsible for providing the correct amount of fuel to the engine. When this code is stored, the fuel system is not operating within the expected parameters, which can affect engine performance and fuel economy.

Symptoms

  • Poor fuel economy
  • Check Engine Light (MIL) illuminated
  • Engine stalling or difficulty starting
  • Engine hesitation during acceleration

Common Causes

  • Damaged fuel lines or connections
  • Faulty fuel rail pressure sensor
  • Failed fuel pump or weak fuel pressure
  • Wiring issues in the fuel system circuit

Diagnosis Steps

  1. 1Connect an OBD-II scanner and read all stored trouble codes and freeze frame data
  2. 2Check fuel pressure using a fuel pressure gauge; compare to manufacturer specifications
  3. 3Inspect fuel lines, connections, and injectors for leaks or damage
  4. 4Test the fuel pressure regulator for proper operation
  5. 5Check the fuel pump relay and electrical connections

Estimated Repair Cost

$150$800

Cost varies by vehicle, location, and repair shop. Includes parts and labor.

Commonly Affected Vehicles

Volkswagen JettaToyota CamryHyundai SonataHonda Civic

Related Codes

More Fuel System Codes

Frequently Asked Questions

It depends on the severity. Minor sensor issues may allow short-distance driving, but fuel pressure or leak codes should be addressed immediately as they can cause stalling, engine damage, or fire hazards.