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What does fuel pump a control circuit open mean?

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What does fuel pump a control circuit open mean?

P0627
OBD-II Code P0627 is defined as a Fuel Pump “A” Control Circuit/Open. The Fuel Pump enables the transfer of fuel from the tank to the fuel injectors. If the engine control module (PCM) detects the fuel pump is not operating properly, the PCM will set code P0627.

How do I fix code P0627?

What repairs can fix the P0627 code?

  1. Replace a defective fuel pump.
  2. Replace a defective fuel pump relay/
  3. Replace or repair any electrical components in the CAN Bus harness, like wiring or connectors, that are corroded, open, or short.
  4. Adjust a loose control module ground strap.
  5. Replace a broken control module ground wire.

How do I fix code P0027?

What repairs can fix the P0027 code?

  1. Clear the fault codes and perform a road test.
  2. Replacing the exhaust valve lift solenoid.
  3. Repairing or replacing the wiring or connection to the exhaust lift solenoid.
  4. Repairing the ECM connector or replacing the ECM.

Where is the exhaust valve control solenoid?

exhaust manifold
The exhaust valve control solenoid should be found near the exhaust manifold.

What does an exhaust valve control solenoid do?

The Exhaust Valve Control Solenoid uses oil pressure and an electrical solenoid to control the position of the exhaust valve. Newer vehicles are equipped with variable valve timing (VVT).

How do I fix code P0021?

What repairs can fix the P0021 code?

  1. Clearing the Check Engine Light codes and road testing to verify the code.
  2. Changing the oil and filter to the proper oil viscosity for the engine specifications.
  3. Repairing or replacing the wiring to the camshaft oil control valve for bank 2 intake camshaft.

What are the symptoms of a bad VVT solenoid?

Symptoms of a Bad or Failing Variable Valve Timing (VVT) Solenoid

  • Check Engine Light comes on. Since today’s modern cars are controlled by an Engine Control Unit (ECU), virtually all individual components are monitored by the ECU.
  • Engine oil is dirty.
  • Rough engine idle.
  • Decrease in fuel economy.

What does an exhaust solenoid valve do?

The Role of the Solenoids These solenoids are used to control both exhaust and intake camshafts, creating the possibility of lower emissions — and essentially decommissioning exhaust gas recirculation valves — as well as better performance and fuel economy.