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Lagonda 2.5-Litre U3654 Engine Trouble Code

When the check engine light comes Lagonda 2.5-Litre U3654 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.

Lagonda 2.5-Litre U3654 Code Meaning :

U 3 6 5 4
OBD-II Diagnostic Network (U) Trouble Code For Engine Ignition System Or Misfire Fuel Temperature Sensor B Circuit Range/Performance Cylinder 1 Injector Circuit Low Timing Reference High Resolution Signal A Too Many Pulses
Lagonda 2.5-Litre Engine

When you check Lagonda 2.5-Litre car engine light came on code U3654 the reason should be . However manufacturer may have a different definition for the U3654 OBD-II Diagnostic Network (U) Trouble Code. So you should chech it on our car models.

U3654 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 U3654 code is occuring now you should check U3654 repair processes.
Now don't ask yourself; What should you do with U3654 code ?
The solution is here :

Lagonda 2.5-Litre U3654 Possible Solution :

Disconnected, dirty or fouled spark plugs are common causes for engines that won't start. Spark plugs typically need to be replaced every season or 25 hours of use. You should also check that the spark plug gap is set properly. If your spark plugs look good, problems with your ignition system can also preventing a spark. These can range from a faulty spark plug lead, shorted kill switch or flywheel key damage.

U3654 OBD-II Diagnostic Network (U) Trouble Code Description

U3654 engine trouble code is about Timing Reference High Resolution Signal A Too Many Pulses.

Reason For U3654 Code

The reason of U3654 OBD-II Engine Trouble Code is Fuel Temperature Sensor B Circuit Range/Performance.

Parts or components should not be replaced with reference to only a U3654 DTC. The vehicle service manual should be consulted for more information on possible causes of the fault, along with required testing.