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Lagonda Vignale U3654 Engine Trouble Code

Lagonda Vignale U3654 if your catalytic convertor fails completely, you eventually won't be able to keep the car running. Your gas mileage will also be terrible, so you should try and fix it as soon as you can. Unfortunately, the average replacement cost is around $2,000 and you can't do it yourself unless you're an experienced mechanic.

Lagonda Vignale 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 Vignale Engine

When you check Lagonda Vignale 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 Vignale 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.