Question about 2006 Hyundai Sonata
Ok there are two ways you can do this . you can just pull the negative batt cable for 10 minutes. this will drain all power out of the CPU(ECM/PCM). or, you can use a diagnostic scan CPU to erase the codes and , reset the light.
Posted on Jun 18, 2009
Remove the battery negative cable for 5 min's, but if this is to pass smog they will fail it.
Posted on Jun 18, 2009
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Posted on Jan 02, 2017
I had same problem and my repair shop just replaced a sensor in the tranny. Said it was a defect by Hyundai,but they won't recall it.
Posted on Oct 21, 2008
Get in the trunk, take loose the screws, lift the lens holder, change the bulb. Unfortunately, it's not as easy as it sounds. The hole for the lamp position is offset about 4-5 inches. You cannot get to the bulb to remove it without taking loose the lens holder. You have to remove 2 screws to do that, one of which is hidden by a piece of foam tape.
Also it is impossible to remove the lens holder without slipping a finger underneath to turn the bulb holder. I had to cut off a portion of the bulb holder to slip the lens back in. I left the screws out, as it is impossible to put them back after removal. No wonder the dealer wants $50 to change the bulb-it took me about 45 minutes.
Posted on Dec 02, 2008
"Fuel system too lean at idle". It's an air/fuel ratio that is not correct, possibly a vacuum leak somewhere. Or a leaky exhaust pipe. Could be related to intake manifold gasket. Somewhere, air is getting into the engine.
I suggest taking it back to the dealer under warranty. I think Hyundai is 10yr./100k for the original owner. 5yr./50k if not. Ask first if covered, and ask why not id not covered.
Posted on Apr 10, 2010
Purge Control Valve Problem
The "Purge Control Solenoid Valve" is the "Purge Control Valve".
Rough idle is a typical symptom of something amiss with the purge control portion of the evaporative emissions system. It could be the valve itself is not operating correctly, the evap canister (vapor canister) may be leaking, or full of raw gas instead of vapor, or maybe even the purge control valve is getting a faulty signal from the ECU.
The soleniod is checked by applying a voltage to it and checking to see if it closes, or opens (I'm not sure if its un-energized state is normally open, or normally closed). If the valve is bad it is a no-brainer to replace.
The vapor canister can be removed and checked to see if it is full of raw gas (not supposed to be), but checking it for leaks is a bit involved, and probably requires equipmet not normally owned by a home mechanic. Vapor canister failure on cars with a lot of miles is common. Replacement is the fix.
Of course if the ECU is not sending a purge signal to the valve correctly, figuring out why may proove difficult, and possibilities could even include a faulty ECU. I expect this is unlikely though.
It's a $20 part. I first would change pcv valve because it can give same error if it's plugged up. You can always remove it and shake it. It should rattle around real easy. If not, it should be repalced
Posted on Apr 17, 2010
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