B1556 Engine Trouble Code
Meaning of B1556 engine trouble code is a kind of body trouble code and B1556 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.
B1556 Fault Symptoms :
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If one of these reasons for B1556 code is occuring now you should check B1556 repair processes.
Now don't ask yourself; What should you do with B1556 code ? The solution is here : |
B1556 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. |
B1556 Code Meaning :
B | 1 | 5 | 5 | 6 |
---|---|---|---|---|
OBD-II Diagnostic Body (B) Trouble Code For Engine | Fuel And Air Metering | Fuel Composition Sensor Circuit Malfunction | Cylinder 1 Injector Circuit Low | 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.
B1556 OBD-II Diagnostic Body (B) Trouble Code DescriptionB1556 engine trouble code is about Ignition Coil A Primary/Secondary Circuit Malfunction.Main reason For B1556 CodeThe reason of B1556 OBD-II Engine Trouble Code is Fuel Composition Sensor Circuit Malfunction. |
B1556 the main thing to check is to verify the operation of the VCT solenoid. You're looking for a sticking or stuck VCt solenoid valve caused by contamination. Refer to vehicle specific repair manual to perform component tests for the VCT unit.