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Nissan Altima Engine Failures

498 messages,  Last post on Nov 23, 2009 at 6:40 PM

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What is this discussion about? Nissan Altima, Engine, Sedan

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#276 of 498 Re: 04 Altima lemon [pdupuy] by fbc1 May 18, 2008 (2:43 pm)
Replying to: pdupuy (May 02, 2008 6:20 am) I'm having the same problems so your not alone! Unfortunately I still owe too much to trade it yet, but I will go back to American vehicles when I'm able. My advice is to do the same.
#277 of 498 Re: 2008 Nissan Altima [kannadiga] by fbc1 May 18, 2008 (2:47 pm)
Replying to: kannadiga (Jan 11, 2008 8:46 am) Buy American or German!
#278 of 498 '05 Pre-cat Failure by ckeough May 21, 2008 (6:39 am)
I have a 05 Altima with the 2.5 engine, 31,500 miles, which I bought used about 6 weeks ago and have put 1200 mile on. Last week the SES light came on and I had Autozone pull the code. The infamous P0-420.   Yesterday I had a dealer check it out and they found the pre-cat was "coming apart internally" and replaced it under warranty. Hopefully, none or very little material made it into the engine; I'll be keeping watch for oil consumption and hope that any problem with that shows in the next 30K or 2 years while the drive train warranty is in effect.   So, either the pre-cat was just a bad part or the '02-'03 recall situation will be continuing as all 2.5 reach higher mileage.   Anyone know if or what changes were made for the 04-06's at address the failure of the pre-cat? I'm thinking none other the the ECM re-programming to maybe lean out the engine.   Chris Replies to this message: jd10013 (May 23, 2008 1:39 pm)
#279 of 498 Re: '05 Pre-cat Failure [ckeough] by jd10013 May 23, 2008 (1:39 pm)
Replying to: ckeough (May 21, 2008 6:39 am) I'm thinking none other the the ECM re-programming to maybe lean out the engine.   that's all it really needs. the cat wont deteriorate without gas igniting in there. The problem isn't a faulty cat, or a faulty engine. its unburned gas burning in the cat and tearing it apart. You took your car in as soon as that light came on, a very smart man. unfortunately, most people dont. most people figure they left the gas cap too loose or something, and don't want to spend the $80-100 to get the code reset.
#280 of 498 Replacing intake manifold gasket on 2001 Nissan Altima by kynymac May 27, 2008 (10:26 am)
Hi all, I am new on this forum and hopefully someone can help me out. I am replacing my intake manifold gasket and have run into some kinks. I am using the Haynes manual as reference for my install. Do I have to take the head & timing chain off to get to the intake manifold? The manual did not make mention of the timing chain so I am at a loss. I am trying to separate the plenum from the head to get to it. Can this be done. Please advise. Replies to this message: electricdesign (May 27, 2008 6:07 pm)
#281 of 498 Re: Replacing intake manifold gasket on 2001 Nissan Altima [kynymac] by electricdesign May 27, 2008 (6:07 pm)
Replying to: kynymac (May 27, 2008 10:26 am) You did not mention what engine you have, but if you have the I4, the intake is in two pieces. First, unbolt the upper manifold and Plenum (all one piece). Second, unbolt the lower intake manifold from the back of the engine. There is a bracket under the lower intake that has to be removed. To see all the pictures of how to take it apart and put it together, look at the links in messege #182. See Teardown Photos #DSC06971 through DSC06980, and see Rebuild Photos #DSC07265 through DSC07270. Good luck, E.D. in Sunny Florida
#282 of 498 Re: 04 Altima lemon [pdupuy] by puds2002 Jun 12, 2008 (11:47 am)
Replying to: pdupuy (May 02, 2008 6:20 am) I have an 2003 Altima and I like you have had various problems. Currently, the 2003 2.5L Altima is having problems with the power valve screws coming loose and going into the cyclinder. I understand that it is a recall on 04 models but Nissan does not want to do anything on the 03 model stating that it does not fall under the recall even though it is the same problem. Replies to this message: smoothride4me (Jun 12, 2008 3:03 pm) electricdesign (Jun 16, 2008 5:41 pm)
#283 of 498 Re: 04 Altima lemon [puds2002] by smoothride4me Jun 12, 2008 (3:03 pm)
Replying to: puds2002 (Jun 12, 2008 11:47 am) I HAD a 2002 Altima with lots of problems, Replaced the pre cat, Check engine light stayed on. I took it to the dealer and theyt told me I needed a new engine, I contacted Nissan Headquarters and they did say they were sorry, but nothing they can do, it wasnt a recall issue. I finally did the smart thing, Rather then stress myself out, I got rid of the Altima and bought a used Acura.. Thi s Acura is awesome!!! I would never buy a Nissan again, They dont stand behind there product.. Read Reviews and search the web before you buy~~~ Replies to this message: electricdesign (Jun 16, 2008 5:41 pm)
#284 of 498 Re: 04 Altima lemon [smoothride4me] by electricdesign Jun 16, 2008 (5:41 pm)
Replying to: smoothride4me (Jun 12, 2008 3:03 pm) Congratulations Smoothride!
#285 of 498 Re: 2002 Alitima (electricdesign) [electricdesign] by ndiboy Jul 25, 2008 (9:27 am)
Replying to: electricdesign (Jan 31, 2008 7:12 pm) I am new to this site and live in Nigeria.I have learnt a lot about this 2002 2.5s Altima that I am afraid to drive it.I bought a used one with 73000miles on it.Its an American spec and so far, no problems except increased noise when i put on the a/c and the horrible suspensions. My question is since the emission is not checked where I live is it better to remove the CAT? Thanks Onuchukwu Chuma.ndiboyyahoo.com 2348033974181.

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