Question about 2002 Nissan Altima
I have an 02 Nissan Altima. 13 months ago I had to replace the ECM, 02 sensor, and the headlights. I take it in for the normal oil changes and have not had any problems, until now. 4 weeks after my regular oil change the check engine light came on and I checked the oil and found there was no oil, so I added 3 quarts in and it seemed fine. 1 week later I had to add 2 more quarts. I took it to my mechanic and he told me that it has clogged the catalytic convertner, which was replaced 13 months ago. He also told me that I need a new engine, which average cost that I have found is $2,500.00-$4,000.00. Is there any way to repair this issue without a new engine?
Check engine light has nothing to do with oil level. Only the red engine light does. It sounds like you are burning a lot of oil and it is poisoning your catalytic converter. Your converter is killing itself trying to treat all the unburned oil that is coming to it. It will get so hot that it swells inside and clogs it up. Why you are burning oil is the question. Only 3 possibilities. Past the piston rings, past the valve stem seals or a plugged pvc valve and its hoses. Clean the PVC hose and change the PCV first. Changing the cats now will just kill them again until you fix the oil burning.
Autozone will do free scan test for fault codes by the way.
PCV won't show up there though.
You can buy cheap engine on ebay or at car-part.com. page with asterisk is lowest price.
Posted on May 29, 2009
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Posted on Jan 02, 2017
SOURCE: catalytic converter
it would be very hard. you may need a professional to do that.
it is in line with your exhaust system. it is a piece of metal just like a muffler but a little bit smaller and it is located between the engine and the muffler. you will need to cut that piece and weld back a new one on your exhaust pipes which would require you to use acetyline torches.
be carefull if you would DIY.
tnx 4 using fixya.
Posted on Aug 26, 2008
this will more than likely fail you on inspection -it must be replaced-if you do not you willget eevn less fuel mileage- also reasons for this happening are-burning marked fuel?regular gas?driving short runs all the time. Burn pump fuel-high test only-you get it back in mileage-try it - I have suv -it works- oh use a fuel addditve at least once a month to clean injector system -costs about 4 Bucks
Posted on Sep 27, 2008
Depending on how many miles you have on your vehicle, i would check with the dealer on that year car .. They usually warranty catalytic converters for 8yrs or 96,000 miles . Its worth checking if it gives you a free replacement..
Posted on Feb 22, 2009
if the converter is rattlin then it needs to be replaced because the element inside is broken. if the jeep still does not run try removing the catalytic converter to see if the restriction is too much. should start if the converter is restricted. if it doesnt maybe its whatever caused the converter to go bad in the first place
Posted on May 28, 2009
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