SOURCE: how to change spark plugs on hyundai 2004 2.4L
Remove the plastic cover that goes over the engine (the one with the Hyundai logo).
At this point, you will see the cables that goe to each fo the spark plugs.
Noting their position, remove them.
The spark plugs are ready to be removed, turn counterclockwise and replace with manufacturer recomended ones.
SOURCE: Air bag light won't go off
There is a chronic problem with these models. If you have or had something under the seat, it may have knocked the wiring harness connector loose. Hyundai has not issued a recall on this, so your dealer may or may not charge you for the repair. I would attempt to reconnect the wire harness yourself. It is just two plastic pieces that slide together. You may want to use electrical tape or something similar to hold it together to prevent further problems, as they don't hold as securely as they should. I would do this asap, b/c if you don't fix it, and get in a wreck, YOU WILL NOT HAVE AN AIRBAG.
SOURCE: how do you change the spark plugs on a 2005
If v6 may need to remove intake manifold and applicable parts to gain acess to spark plug coils, remove coils and remove plugs install reverse order
If 4 cyl remaove cover on valve cover remove spark plug coils etc.
SOURCE: My 2002 Hyundai XG350 has
if i can help you, i have the same problem and i discovered that my CATALYTIC CONVERTER was blocked and the two pre-cat too !
First i think it's was the throttle body but no ! After checking every electronics parts,a friend of mine takeout the first oxygen sensor on the line of the exaust and i see a difference
We clean (take out) the interior of all catalytic on the exaust line and replace all parts after, the oxygen sensor too !
i try it on the road for a week,and that's it,we have resolved the problem. Wow ! at last
I bought the new pre-cat and the catalytic converter and i got a new car.
It took two months before we found the probleme. I read on the web different solution but no one
have the good one.
Sorry for my english,i hope you understand what I have write(What I explained)
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