B3742 Engine Trouble Code
Meaning of B3742 engine trouble code is a kind of body trouble code and B3742 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 $2,140 and you can't do it yourself unless you're an experienced mechanic.
B3742 Fault Symptoms :
If one of these reasons for B3742 code is occuring now you should check B3742 repair processes.
Now don't ask yourself; What should you do with B3742 code ?
The solution is here :
B3742 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.
B3742 Code Meaning :
|OBD-II Diagnostic Body (B) Trouble Code For Engine||Ignition System Or Misfire||Fuel Rail Pressure Sensor Circuit Malfunction||Injection lump Fuel Metering Control 'B' High (Cam/Rotor/Injector)||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.
B3742 OBD-II Diagnostic Body (B) Trouble Code DescriptionB3742 engine trouble code is about Glow Plug/Heater Circuit 'A' Malfunction.
Main reason For B3742 CodeThe reason of B3742 OBD-II Engine Trouble Code is Fuel Rail Pressure Sensor Circuit Malfunction.
B3742 DTCs may also be triggered by faults earlier down the line. For example, a dirty MAF sensor might be causing the car to overcompensate in its fuel-trim adjustments. As a result, oxygen sensors are likely to report fuel mixture problems.