Just got scared when noticed both of those were on today.Didn't change oil or air filter recently. What might be wrong? And what is sensor O2? Actually some sensors have been changed few months ago, so it can't be same problem now. Help!
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First check and make sure your gas cap is tight, if this does not resolve the problem read below. A vacuum hose has become disconnected, more than likely due to having your air filter replaced. The VSC and Check engine light typically don't come on until after 150-200 miles after the vacuum hose was pulled out. The fix: on the right-hand-side of the engine compartment behind the big plastic housing that holds the air filter you will find a black rubber hose that is not connected to anything. Squeeze the finger clamp on the hose and slide the hose back onto the half inch nipple on the back of the air filter's plastic housing. In order for the VSC and Check engine light to be turned off, you will need to open the fuse box, right-side of the engine compartment, and pull the 20 amp EFI fuse for 10 seconds. This will reset the system. The fuse location is marked on the lid of the fuse box, also I believe the EFI fuse is the only 20 amp fuse . This will help.Thanks,please keep updated. please do rate
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The VSC warning light, Trac Off and check engine is probably an easy fix. If you look under the air filter/cleaner box there is probably a rubber hose that has been disconnected from a steel line. This is common if you have had the oil changed recently, the tech will check the ail filter and doesn't realize the hose has been disconnected.
check to make sure your hoses located behind the air filter are connected. many times they come loose when the filter is checked during routine servicing & oil changes. This can cause the trouble lights to come on. You may need to disconnect the battery for a few seconds to reset the lights.
Yes. Did you recently have the oil changed?Air Filter? Alot of techs accidentally disconnect hoses to Air Filter housing. Check hoses, Oxygen sensor could need replacement. Try reseting the sensor lights by disconnecting the negative (-) battery cable for 20 seconds then reconnect and start car. Lights should be reset. If they come back on take to dealer or to AutoZone where they can do a free analysis of engine codes
The check engine light has nothing to do with the oil, water etc. it signals that a fault has occurred in the engines electronic controls and it has failed a test of some system that the cars computer runs every few minutes while the engine is running, it can be one of a 100 different systems that made the light come on, take the car to a Kragen Auto parts store or another chain parts store like it and ask them to run a OBD 2 system test (it's free), this will retrieve the trouble code(s), post the code(s) back on this thread and I will explain what it will take to repair.