Detail: My 01 elantra keeps givin me a catalyst code bank 1 suggesting an air fuel mix problem.i changed the air filter but the engine light is still on. The car has lots of power but uses a lot of fuel.what is the problem?
Solution: As your check engine light is still on I would suggest that you have a hard fault retained in ECU, also the fact that you mention catalyst bank 1, I would suggest that your fault is actually the pre catalyst O2 sensor. Some versions of scan tools can sometimes be a little vague in their explanation of the fault. If possible supply the P code that lead you to catalyst fault? as this can assist diagnosis. , Hi, A 6ya expert can help you resolve that issue over the phone in a minute or two. Best thing about this new service is that you are never placed on hold and get to talk to real repairmen in the US. The service is completely free and covers almost anything you can think of (from cars to computers, handyman, and even drones). click here to download the app (for users in the US for now) and get all the help you need. Good luck! , The motor has what is called a positive crankcase ventilation system (PCV - hence the valve). It also has a pipe that goes from the top of the motor to the air cleaner. If your piston rings are well warn, the added pressure that this produces will force a quantity of oil into the air cleaner. A small amount is normal. You are probably losing some oil through the rings as well. The loss of power may be that your compression is low from the bad rings. You can check the compression yourself. They sell compression testers for about 30 bucks. Follow the directions. If a piston does read low compression, squirt some motor oil in the cylinder after the first test. If the reading goes up, that means that the rings are bad. , PO 171 indicates a lean condition in bank 1 or the same side of the engine as the first cylinder , usually it is caused by a vacuum leak some where check to make sure that even the smallest of vacuum hoses are in good condition and not leaking , Replace the catalytic converter. , I just came from an Autozone, and then spoke with 2 Hyundai dealership service departments and they all three stated the P0113 code is the Intake Air Temperature sensor (IAT, also referred to as the Mass Air Pressure - MAP - sensor) on the engine, not an O2 sensor found in the exhaust system. , Hello! the code you speak of relates strictly to the catalytic converter. it is possible there is a faulty sensor, however that choice is highly unlikely. Catalytic converters carry a 5/50 7/70 and 8/80 warranty depending upoin the state you live in...this may be a repair covered under manufacturers warranty. this code is becoming very prevelant in many auto lines as a result of the insurgence of ethanol dilution of our fuels. the "10%" ethanol sticker is located on most pumps. Most vehicles on the road today are not flex fuel capable and this ethanol is wreaking havoc on our fuel and emission systems, especially the catalytic converters. the converters are caked with deposits from the ethanol, reducing its effeciency. if your have access to well worth branded products (not available in ANY parts store, typicaly dealers and repair shops only) try adding on succesive tank loads of fuel their product called Octi-Plus. this products helps remove ethanol products, and very well may save yoiu big $$$ for that converter repair bill...i hope this helps..check out this link.... http://www.wellworthproducts.com/ ps i appreciate your 4 thumbs up if this helps you!