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B1665 Engine Trouble Code

Meaning of B1665 engine trouble code is a kind of body trouble code and B1665 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.

B1665 Fault Symptoms :

Check engine light comes on
Engine stalling or misfiring
Engine performance issues
Car not starting

If one of these reasons for B1665 code is occuring now you should check B1665 repair processes.
Now don't ask yourself; What should you do with B1665 code ?
The solution is here :

B1665 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.

B1665 Code Meaning :

B	1	6	6	5
OBD-II Diagnostic Body (B) Trouble Code For Engine	Fuel And Air Metering	Fuel Temperature Sensor B Circuit Range/Performance	Cylinder 4 Contribution/Balance Fault	Crankshaft Position Sensor B 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.

B1665 OBD-II Diagnostic Body (B) Trouble Code Description

B1665 engine trouble code is about Crankshaft Position Sensor B Circuit Malfunction.

Main reason For B1665 Code

The reason of B1665 OBD-II Engine Trouble Code is Fuel Temperature Sensor B Circuit Range/Performance.

Parts or components should not be replaced with reference to only a B1665 DTC. The vehicle service manual should be consulted for more information on possible causes of the fault, along with required testing.

	Example: 0140