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The OBD-II error code P1399 and P0141 for a Honda CRV 1999 are as follows:
P1399 - This code indicates that there is a problem with the misfire detection system in the vehicle. This code is often accompanied by other codes that indicate which specific cylinder is misfiring. Causes of this code could include a faulty ignition system, a clogged fuel injector, or a problem with the engine control module (ECM).
P0141 - This code indicates a malfunction in the oxygen sensor located on Bank 1, Sensor 2. This sensor measures the oxygen content in the exhaust gas after it has passed through the catalytic converter. Causes of this code could include a faulty sensor, a damaged sensor wiring harness, or a problem with the vehicle's computer.
It is recommended that you have a certified mechanic diagnose and repair these issues to ensure proper operation of your vehicle.
Sounds more like you have a parts changer, not a mechanic. What do you mean by keeps coming back? Does it go away? or is it always present? Has he checked the signal from the ECU to the injectors?
I would check the Ignitor. This is a common problem, they often become heat saturated which causes a failure to deliver spark. Do not pull a plug and ground it unless you have a resistive spark tester. If you do you may end up with a fried ignitor if you don't already have one
If someone put the wires on on in the wrong firing order pattern or one or more of the plug wires are bad the engine will misfire. White residue on the plug is probably due to the engine running hotter than normal caused by the misfire. Try replacing the spark plugs and spark plug wires.
Code P1399 is specific to Honda - it is an error code for "multiple variable misfires detected". P0301-P0304 are common OBDC codes for all cars, specifically "misfire in cylinder X".
You will get the P0301-P0304 codes on your OBDC reader when you plug it in (if actually errors), but will only find the P1399 if you select Honda as the manufacturer.
Just got these errors today on my CRV 2000. Now I have to figure out what is causing two of the cylinders to misfire.
your crv has what is called real time 4 wheel drive it does not stay on and you have no control over when it is used, the vehicle sensors send power where it is needed
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