B1546 Engine Trouble Code
Meaning of B1546 engine trouble code is : B1546 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.
B1546 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.
B1546 Code Meaning :
|OBD-II Diagnostic Body (B) Trouble Code For Engine||Fuel And Air Metering||Fuel Composition Sensor Circuit Malfunction||Injection lump Fuel Metering Control 'B' High (Cam/Rotor/Injector)||Ignition Coil A Primary/Secondary Circuit 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.
B1546 OBD-II Diagnostic Body (B) Trouble Code DescriptionB1546 engine trouble code is about Ignition Coil A Primary/Secondary Circuit Malfunction.
Reason For B1546 CodeThe reason of B1546 OBD-II Engine Trouble Code is Fuel Composition Sensor Circuit Malfunction.
B1546 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.