Mercury Zephyr U3803 Engine Trouble Code

When the check engine light comes Mercury Zephyr U3803 code on the first you should check is the gas cap. Pull over, retighten it, and take a look at the cap to see if it has any cracks in it. Continue driving and see if the check engine light turns off. Alternately, you can purchase a gas cap for about $3 at an auto parts store. All you need to do is take the old one off and screw on the new one. If you've already made it to the store, you might as well just replace it. While not car-threatening, it's good to take care of this right away to improve gas mileage.

Mercury Zephyr U3803 Code Meaning :

When you check Mercury Zephyr car engine light came on code U3803 the reason should be . However manufacturer may have a different definition for the U3803 OBD-II Diagnostic Network (U) Trouble Code. So you should chech it on our car models.

U3803 OBD-II Diagnostic Network (U) Trouble Code Description

U3803 engine trouble code is about Exhaust Gas Recirculation Sensor B Circuit High.

Reason For U3803 Code

The reason of U3803 OBD-II Engine Trouble Code is Engine Oil Temperature Sensor Malfunction.

U3803 code on vehicles with electronically controlled automatic transmissions, the 3-4 shift solenoid is responsible for actuating the hydraulic circuits to activate clutches or bands that change gears inside the automatic transmission.

U3802 Previous Engine Trouble Code For Mercury Zephyr

Next Engine Trouble Code For Mercury Zephyr U3804