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U0817 Engine Code Repair

Meaning of U0817 engine trouble code is a kind of network trouble code and when your car's 'U0817 Check Engine' light comes on, it's usually accompanied by a sinking feeling in the pit of your stomach. The light could mean a costly problem, like a bad catalytic converter, or it could be something minor, like a loose gas cap. But in many cases, it means at minimum that you'll be visiting the car dealer to locate the malfunction and get the light turned off.

U0817 Fault Symptoms :

  1. Check engine light comes on
  2. Engine stalling or misfiring
  3. Engine performance issues
  4. Car not starting

If one of these reasons for U0817 code is occuring now you should check U0817 repair processes.
Now don't ask yourself; What should you do with U0817 code ?
The solution is here :

U0817 Possible Solution:

U0817 Engine

Excessive air inflow can be caused by a vacuum leak, a dirty sensor or, an exhaust gas recirculation valve not closing properly. If the problem is not enough fuel, the culprit may be dirty injectors or fuel filters, a weak fuel pump or a leaky fuel pressure regulator. The lean fuel mix error may be accompanied by rough idling, engine misfires, hesitation during acceleration and overall poor engine performance.

U0817 Code Meaning :

U
OBD-II Diagnostic Network (U) Trouble Code For Engine

0
Intake Valve Control Solenoid Circuit Low

8
Fuel Rail Pressure Sensor Circuit Malfunction

1
Cold Start Injector 1 Malfunction

7
Ignition Coil A Primary/Secondary Circuit Malfunction

The oxygen (02) sensors on your car measure the oxygen in the exhaust to determine how rich or lean the ratio of fuel and air are in the cylinders. Optimizing this mixture means better fuel economy and fewer exhaust emissions.

U0817 OBD-II Diagnostic Network (U) Trouble Code Description

U0817 engine trouble code is about Ignition Coil A Primary/Secondary Circuit Malfunction.

Main reason For U0817 Code

The reason of U0817 OBD-II Engine Trouble Code is Fuel Rail Pressure Sensor Circuit Malfunction.

U0817 the main thing to check is to verify the operation of the VCT solenoid. You're looking for a sticking or stuck VCt solenoid valve caused by contamination. Refer to vehicle specific repair manual to perform component tests for the VCT unit.