Question about 2001 Hyundai Tiburon

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It runs really rough and it is very loud under neath the engine by the catalyic converter. the cat gets read hot and the idle is terrible on it . there is alot of gas fumes coming into the cab of the car pretty much choking you out. What would the problem be?

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I too have had this problem, turned out to be the evaporation purge valve. Check the codes.

Posted on Feb 24, 2010

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Over fuelling causing cat reation going into overtime.

You need the EMS scanned, this will point your fault out... maybe coolant sensor

Posted on Feb 05, 2010

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2 Answers

Where is oxy.sensor


Usually in the exhaust pipe near the engine.
They don't usually cause a rough idle, and the check engine light should be on if you have a faulty sensor.

Mar 21, 2016 | Cars & Trucks

2 Answers

My camshaft sensor light is on. and how u know when u need to change catalyic converter


nice anon double post.
so there is no camshaft sensor light on,! (typo?)
why not post a photo of that so we can all laugh.
my guess is its a typo, you meant my check engine light is on.
that? RUNNING? and does it run, ok, (other shoe drops)

yes, that means to scan the pCM
the CAT is bad if the PCM tells you its bad. (p042x) means its bad.
(the smog station will fail it for that. or CEL on running)

or if the engine wont start and CAT melted closed, and the back pressure to it is over 2psi. (easy test)
or the vacuum test fails, cranking or idling if it starts at all.
if the vacuum is near zero cranking ,ONE cause is melted cat.
easy tests all, but is guessing....(BAD THAT)
why not post The full symptoms, not just easter egg hunts...and such.
AND NOT post anon, so we can see you do many posts and form full ideas of all problems posted, (continuity of facts)

WJ 03 jeep
what light , again, here is your cluster, what lamp again?????
that lamp is CEL, not Cam. (apples and oranges diffr)
(aka, MIL & SES) See icon is engine shaped?

24779117-3nbgxbjf1gfdcgdbrzqtqovq-5-0.jpg or did you scan the PCM (good idea for sure)
did you get P03xx errors (called DTC's) and the book says
cam?
please say what object showed you CAM?
we cant guess that. say it please.....

Jul 08, 2014 | 2003 Jeep Grand Cherokee

1 Answer

Glowing Converter/ Muffler Noise/ Power Loss


your cat is plugged remove it and replace with straight pipe or replace cat

Apr 05, 2017 | 1994 Chevrolet Camaro

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I recently washed the engine compartment on my 1994 sc400 Lexus, now it runs rough and has loss of power. did something get wet or did a connector come loose?


check inside all of the sparkplug cavities,there will probably be water inside,just dry out the lead tube ends and blow out with air down where sparkplugs are.if no air you can dry with thin screwdriver and rag,or pull out the plugs and let water fall into cylinders,wont be enough to damage,just burn out on restart. dont be tempted to keep driving it like it is as the over fuelling cylinders with poor spark can cause damage to catalyic converter,(will smell really hot from under vehicle)

Aug 31, 2009 | Lexus SC 400 Cars & Trucks

3 Answers

Buick Century 97 runs rough and stutters when cold and gas applie


Your cat should last quite a while now it is replaced. I recommend testing coil packs and module. Change plugs and wires and double check your vacuum hoses.

Aug 14, 2009 | 1997 Buick Century

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Rough idle and generally running terrible!


if idling rough sound like air in system.and your injection pump timing is off.

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My car quit running going down the road acted like no gas but has good fuel pussure


time chain or cat converter to eliminate cat let it idle half hour till really hot only at nite look under after a half at the cat converter if it is red glowing thats it .
.

Jul 22, 2008 | 1997 Nissan 200SX

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