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B3843 Engine Code Repair

Meaning of B3843 engine trouble code is a kind of body trouble code and theoretically you can drive for a few weeks or even months with a broken MAF sensor. You will notice a decrease in gas mileage and over time the car will eventually start stalling a lot. At a shop, the replacement cost is between $240-$400 depending on the car, but that's usually the cost of parts because the labor is relatively simple.

B3843 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 B3843 code is occuring now you should check B3843 repair processes.
Now don't ask yourself; What should you do with B3843 code ?
The solution is here :

B3843 Possible Solution:

B3843 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.

B3843 Code Meaning :

B
OBD-II Diagnostic Body (B) Trouble Code For Engine

3
Ignition System Or Misfire

8
Fuel Rail Pressure Sensor Circuit Malfunction

4
Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)

3
Glow Plug/Heater Circuit 'A' Malfunction

Regarding the B3843 code, it would probably be worthwhile to carefully inspect the wire harness near the intake manifold bracket. This is done most easily from below the car in the area near the oil filter.

B3843 OBD-II Diagnostic Body (B) Trouble Code Description

B3843 engine trouble code is about Glow Plug/Heater Circuit 'A' Malfunction.

Main reason For B3843 Code

The reason of B3843 OBD-II Engine Trouble Code is Fuel Rail Pressure Sensor Circuit Malfunction.

B3843 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.