U1140 Engine Error Code

When you check engine light came on code U1140 the reason should be Engine Light ON (or Service Engine Soon Warning Light). However your vehicle's manufacturer may have a different definition for the U1140 OBD-II Diagnostic Network (U) Trouble Code. So you should chech it on your car models.

U1140 Code Symptoms

U1140 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.

In-line Ford engines, along with those of most other manufacturers, begin the numbering of cylinders at the front and proceed in numerical order toward the back. In the V-engine design, Ford follows a similar design with the number one cylinder at the front left of the engine. In the V-6 configuration, cylinder 4 is at the front right of the engine and in a V-8, cylinder number 5 is in that location. Other manufacturers sometimes use an alternating pattern in the V-engines.

U1140 OBD-II Diagnostic Network (U) Trouble Code Description U1140 SCP (J1850) Invalid or Missing Data for Gateway so you have to check ODB-II Engine Error Code list. U1140 Code Review : The reason of U1140 OBD-II Engine Error Code is U1140 SCP (J1850) Invalid or Missing Data for Gateway.

U1140 Code Dictionary Meaning:

- 1 - MFG - Manufacturer Specific 1 - Fuel And Air Metering 4 - Control Module Throttle Actuator Position Performance 0 - Transmission Engaged At High Throttle Angle

How long can you drive with a U1140 code ?

If your vehicle is displaying a U1140 OBD2 error code but is still running and driving normally, it means that the issue might not be immediately critical or causing immediate harm to the vehicle. However, it's important to address the issue as soon as possible for several reasons:

• Potential for Worsening
• Decreased Fuel Efficiency
• Emissions Testing Compliance
• Risk of Further Damage
• Safety Concerns
• Legal Considerations