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B3702 Engine Trouble Code

Meaning of B3702 engine trouble code is a kind of body trouble code and B3702 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.

B3702 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 B3702 code is occuring now you should check B3702 repair processes.
Now don't ask yourself; What should you do with B3702 code ?
The solution is here :

B3702 Possible Solution:

B3702 Engine

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.

B3702 Code Meaning :

B 3 7 0 2
OBD-II Diagnostic Body (B) Trouble Code For Engine Ignition System Or Misfire Fuel Rail Pressure Sensor Circuit Malfunction Cold Start Injector 1 Malfunction Glow Plug/Heater Circuit 'A' Malfunction

The catalytic converter has an oxygen sensor in front and behind it. When the vehicle is warm and running in closed loop mode, the upstream oxygen sensor waveform reading should fluctuate.

B3702 OBD-II Diagnostic Body (B) Trouble Code Description

B3702 engine trouble code is about Glow Plug/Heater Circuit 'A' Malfunction.

Main reason For B3702 Code

The reason of B3702 OBD-II Engine Trouble Code is Fuel Rail Pressure Sensor Circuit Malfunction.

Parts or components should not be replaced with reference to only a B3702 DTC. The vehicle service manual should be consulted for more information on possible causes of the fault, along with required testing.