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U3693 Engine Code Repair

Meaning of U3693 engine trouble code is a kind of network trouble code and when the check engine light comes U3693 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.

U3693 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 U3693 code is occuring now you should check U3693 repair processes.
Now don't ask yourself; What should you do with U3693 code ?
The solution is here :

U3693 Possible Solution:

U3693 Engine

The firing order is an important part of the overall design of the engine and is determined during the design of the engine to eliminate as much engine vibration as possible. If the firing order is changed or adjusted, the ignition from the spark plug is delivered at the wrong time and the engine functions poorly or does not run. The firing order for a particular engine is typically found in the repair manual specific to that model.

U3693 Code Meaning :

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

3
Ignition System Or Misfire

6
Fuel Composition Sensor Circuit Malfunction

9
Ignition/Distributor Engine Speed Input Circuit Malfunction

3
Glow Plug/Heater Circuit 'A' Malfunction

The poor running symptoms are consistent with a MAP sensor malfunction. In addition, in some cases, a bad MAP sensor will not throw a code. Again, the ELD code likely represents a separate wiring issue.

U3693 OBD-II Diagnostic Network (U) Trouble Code Description

U3693 engine trouble code is about Glow Plug/Heater Circuit 'A' Malfunction.

Main reason For U3693 Code

The reason of U3693 OBD-II Engine Trouble Code is Fuel Composition Sensor Circuit Malfunction.

U3693 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.