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Mercedes-benz Smart U3472 Engine Trouble Code

Mercedes-benz Smart U3472 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.

Mercedes-benz Smart U3472 Code Meaning :

U 3 4 7 2
OBD-II Diagnostic Network (U) Trouble Code For Engine Ignition System Or Misfire O2 Sensor Heater Circuit Malfunction Cylinder 10 Contribution/balance Fault Glow Plug/Heater Circuit 'A' Malfunction
Mercedes-benz Smart Engine

When you check Mercedes-benz Smart car engine light came on code U3472 the reason should be . However manufacturer may have a different definition for the U3472 OBD-II Diagnostic Network (U) Trouble Code. So you should chech it on our car models.

U3472 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 U3472 code is occuring now you should check U3472 repair processes.
Now don't ask yourself; What should you do with U3472 code ?
The solution is here :

Mercedes-benz Smart U3472 Possible Solution :

The crankshaft sensor signals the fuel injection computer or the ignition control when the cylinders are firing. This causes the ignition coil to provide a spark and the injector to inject fuel into each cylinder at the right time.If either sensor isn't working correctly, the car will run rough and the engine will be less efficient. In later car models, the car's computer can usually keep the vehicle running, but the engine warning light on the dashboard goes on to warn the driver.

U3472 OBD-II Diagnostic Network (U) Trouble Code Description

U3472 engine trouble code is about Glow Plug/Heater Circuit 'A' Malfunction.

Reason For U3472 Code

The reason of U3472 OBD-II Engine Trouble Code is O2 Sensor Heater Circuit Malfunction.

Parts or components should not be replaced with reference to only a U3472 DTC. The vehicle service manual should be consulted for more information on possible causes of the fault, along with required testing.