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2005 Hyundai elantra sputters - not all the time - no computer codes - garage replaced spark plugs - then purge valve - same problem. it basically hicups.
Re: 2005 Hyundai elantra sputters - not all the time - no...
Ask what spark plugs they put in your car. bosch platinums and other aftermarket plugs will give you these symptons. stick to the ngk or champions that came stock
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Not sure about the Elantra but if I think that might be the car that I had a problem with before that has a double tube in the tank filler spout it designed to let the gas tank burp and they will come loose and fall and bind and not let the gas flow properly
This was never an oxygen sensor issue.
There are connections that go from the PCM computer to the purge control and those need to be checked. Check all the hoses again to be sure,
the large leak could be a loose tank cap
code p 0441 refers to evaporative emission (EVAP) system--incorrect flow detected === causes ---hose /connection/s,-- intake leak--EVAP canister purge valve
probably need to replace the valve but test first for the large leak or cap loose fault as it may fix both
There is an evap purge valve located in the back of the driver side of the engine. This valve needs to be replaced. Had the same code a couple weeks ago. Replaced that valve and the problem was fixed. Hope this helps.
* P1166 is case for HO2S (Bank 1, Sensor 1) Signal line open * Fuel system (Fuel tank/Pressure regulator/Fuel pump/PSV) failure * Poor connection to fuel line hose/sealing/cut * Sealing between purge valve and fuel tank * Air leakage in exhaust system * Ignition system (ignition coil, spark plug, cable) failure * Surge tank and intake port failure
The Elantras go through plug wires and plugs. If you have over 60,000 miles on the plug wires buy a good set and replace the wires and the spark plugs. I have had to do it about every 60,000 or so. I have 150,000 on mine and three sets of wires and plugs. Each time it gets like you described and changing them is the cure.
P0441 is evap system insufficient purge. It means that the computer thinks the purge control valve isn;t operating properly. The fuel tank pressure sensor can send faulty info causing code to set but most of the time it is just the purge valve that needs replaced
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