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Sedans Nissan Altima Nissan Altima Engine Failures
495 messages, Last post on Nov 06, 2009 at 9:53 AM
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Replying to: rondhol (May 21, 2009 6:42 pm) even with the pre-cat it will probably last hundreds of thousands of miles. if you compare the number of QR25DE engines sold to the number having problems and your odds are pretty good. on top of that, its mostly limited to the 2002 model (first use of QR25DE) year. once the problem surfaced, it was corrected and a recall issued for the effected vehicles. there was probably some carry over into the 2003 model, but anybody owning a mid to late 2003 and up really has nothing to worry about. the problem was never with the engine, and not really with the pre-cat either. it was primarily with the fuel mixture, or more precicesly, the programing of the ecu that controlled it. I'll share a story with you from a couple weeks ago. First off, I work for a company that provides products and service to business. about 65% of our customers are automotive repair shops and dealerships. A couple weeks ago I was in one and talking with the owner. I couldn't help but notice he was working on a 3rd gen altima. I asked him what was wrong with it, and he said he wasn't sure, but that it needed a new engine. It was burning massive amounts of oil. He hadn't finished checking it, but had seen enough to know it couldn't be fixed. Anyhow, I told him about the pre-cat and oil consumption problems, and suggested he look at the pre cat when he removed the engine. To make a long story short, when I was back in his shop a week later I asked him if he had looked at the pre-cat and if it was all broken up. He said no, it was in pretty good shape. normal for the 80k miles that were on it. Now I'm not saying the pre-cat problem isn't real, or that it doesn't happen. But there are a lot of things that can damage an engine and cause it to burn oil. Primarily taking care of it. and when your dealing with (as many people here are) used cars, you don't know if it was taken care of, or even how hard it was driven by the original owner. Heck, you don't even know if the recall to correct this issue was performed.
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Replying to: jd10013 (May 24, 2009 7:33 am) just got the engine fully replaced 2 days ago at 61000 miles along with the pre cat car drives beautifully now, still plan to have the pre cat hollowed out, i dont want to take any chances on this thing happening another 61k down the road. a car should not need a 3rd motor at 122k miles, nonetheless even a 2nd one at that many miles me being 19 however and wanting my first car right away i didnt even do the carfax report before i bought my 2003 altima 2.5 s i had actually done the report a few weeks ago and found out my car was once a rental car back when it was brand new  mechanically speaking even before the engine was replaced the car seemed fine and drove fine i will need an alignment sometime in the future but it is not a major issue at the moment. i also may need to change the timing belt since ive had my new engine though i hear a weird noise that sounds like water rushing through some kind of pipe when i start the car, and also when i accelerate. does anybody know what that might be all about? 
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Replying to: altilove89 (May 24, 2009 10:25 pm) I had that problem but it was fixed after do that steps and install new radiator cap from Autozone or dealer . My previous radiator cap was swelling caused by oil residue from the head gasket replacement. Your car has TIMING CHAIN (no need to be replaced until 300k miles), If the car go straight on the FLAT road and the tires have no unusual worn, you don't need alignment. You may need to replace the front struts, passenger side and rear side engine mounts if you race the car a lot and the brake pads at arround 80k miles city driving.
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Replying to: rondhol (May 25, 2009 11:01 am) never race my car, i care about it too much to do something like that, i never go any faster then 70 mph anyways because my car would start to guzzle gas (my average mpg according to the trip comp is about 25.5 mpg) tires are ok, the right front tire is almost bald, the other 3 are very good, havent bought a tire due to serious lack of cash at the moment |
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If your front tires are match (same brand and date installed) but only right side is worn, then you need alignment. Change the tires in pairs 2 or 4 at once. The pulls to the right effect caused by lower (worn out) right tire. You can buy good brand (Micheline, Good year, etc, NOT CHINA tires) used tires in pair for less than $35 each. but read this first: http://www.carbibles.com/tire_bible.html By the way, check your radiator cap , coolant level (both on radiator and reservoir), and the hoses after the engine is cold (if it is collapsed). |
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Replying to: electricdesign (Jan 30, 2008 8:06 pm) Sincerely, Sara Keil keilse01  verizon.net
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first of all, Don't bring your 02 to that Dealer again. 3.5L VQ engines rarely have pre-cat problem. Since you have new engine and cat, may be the culprits are MAF sensor, ECU update, or EGR system. If it runs too lean/rich, your engine and cat will be bad faster. Check the sparkplugs to confirm rich/lean mixtures. Buy header instead of breaking your head finding the leak.
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Replying to: keilse (Jun 02, 2009 11:37 am) The 3.5 SE v6 engine is a much better build then the 2.5 S, i actually wish i had spend the extra $1100 for the 04 altima with the v6 engine then the 03 2.5 S. Im suprised that the V6 has this problem as well, considering most V6 altimas are virtually problem free. My advice to anybody buying a Nissan Altima made between 2002 and now, spend the extra money and sacrifice the gas mileage for the v6, you'll have much less issues then with the 2.5 v4.
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Replying to: altilove89 (Jun 05, 2009 9:59 am)
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Replying to: reddeyez (Oct 27, 2007 8:36 am) |
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