U1321 Engine Code Repair
Meaning of U1321 engine trouble code is a kind of network trouble code and when your car's 'U1321 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.
U1321 Fault Symptoms :
- Check engine light comes on
- Engine stalling or misfiring
- Engine performance issues
- Car not starting
If one of these reasons for U1321 code is occuring now you should check U1321 repair processes.
Now don't ask yourself; What should you do with U1321 code ?
The solution is here :
U1321 Possible Solution:
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.
U1321 Code Meaning :
U
OBD-II Diagnostic Network (U) Trouble Code For Engine
1
Fuel And Air Metering
3
Manifold Absolute Pressure/Barometric Pressure Circuit High Input
2
Engine Shutoff Solenoid Malfunction
1
Shift Solenoid E Performance or Stuck Off
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.
U1321 OBD-II Diagnostic Network (U) Trouble Code DescriptionU1321 engine trouble code is about Shift Solenoid E Performance or Stuck Off.Main reason For U1321 CodeThe reason of U1321 OBD-II Engine Trouble Code is Manifold Absolute Pressure/Barometric Pressure Circuit High Input. |
U1321 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.