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Nissan Maxima Maintenance and Repair

4048 messages,  Last post on Nov 23, 2009 at 4:23 PM

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What is this discussion about? Nissan Maxima, Sedan


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#3893 of 4048
Re: Ignition coil replacement; now poor acceleration [lauris] by obyone
Sep 13, 2008 (7:50 pm)
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Replying to: lauris (Sep 13, 2008 6:43 pm)

After 9 years $500 is cheap in terms of maintenance costs. On top of what you mentioned, you should also clean and/or replace the IAC, the TPS, and the PCV.
#3894 of 4048
Re: Ignition coil replacement; now poor acceleration [obyone] by lauris
Sep 14, 2008 (7:25 am)
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Replying to: obyone (Sep 13, 2008 7:50 pm)

Yes, $500 + $1000 earlier this year for a new A/C compressor and dryer is cheap overall for maintenance costs, I agree. I've been very satisfied with the performance of my car overall. In fact, with upcoming replacements, I plan to hold on to it for hopefully, another 50-100K.
 
My husband hooked up the computer and found a code indicating the knock sensor. Would make sense why it's hesitating upon acceleration.
 
Can a DYIer replace the IAC, TPS and PCV? Would either of these require a lift?
#3895 of 4048
Re: Ignition coil replacement; now poor acceleration [lauris] by Mr_Shiftright HOST
Sep 14, 2008 (7:55 am)
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Replying to: lauris (Sep 14, 2008 7:25 am)

You have to be careful with codes. They DON'T tell you, in fact, what the defective component is (no computer is that good yet). What they tell you is which circuit or system is unhappy.
#3896 of 4048
Re: Ignition coil replacement; now poor acceleration [lauris] by obyone
Sep 14, 2008 (8:15 am)
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Replying to: lauris (Sep 14, 2008 7:25 am)

Yes, these can be done by a DIYourselfer and be picked up at any autoparts store. It's basic parts (small) that can be changed while leaning over the engine compartment sort of like changing spark plugs.
 
BTW, have you seen the 2009 Maxima since it's your 10th anniversary?
 
#3897 of 4048
Re: Ignition coil replacement; now poor acceleration [Mr_Shiftright] by lauris
Sep 14, 2008 (8:32 am)
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Replying to: Mr_Shiftright (Sep 14, 2008 7:55 am)

So then it's a shot in the dark. Replace the knock sensor and see what happens.
 
I suppose that even the computer a garage uses is not 100% accurate? It's more based on speculation? Which may be why my garage last week diagnosed two bad ignition coils, replaced them, but there are still problems.
#3898 of 4048
Re: Ignition coil replacement; now poor acceleration [obyone] by lauris
Sep 14, 2008 (8:33 am)
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Replying to: obyone (Sep 14, 2008 8:15 am)

Thanks. I think this can be resolved by a DIYer family member.
 
Thanks for the photo! Are you trying to entice me?! LOL Sure it screams on the highway!
#3899 of 4048
Re: Ignition coil replacement; now poor acceleration [lauris] by Mr_Shiftright HOST
Sep 14, 2008 (8:53 am)
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Replying to: lauris (Sep 14, 2008 8:32 am)

It's not speculation if the shop does the correct "diagnostic tree" once they have the code.
 
By that I mean a methodical "test this for X. If not X, then go to THAT. Test THAT for Y, if not Y, then go THERE" Etc. Etc.
 
If a shop is guessing with your checkbook and just throwing parts at the car, by all means try another. There is no reason why a top-flight mechanic has to guess if it's your knock sensor or not. He can test it, especially if he has the manuals or if he subscribes to sites like ALLDATA, etc.
 
The computer puts you on the right track to be sure but a machine is only as good as the person operating it.
#3900 of 4048
Re: Ignition coil replacement; now poor acceleration [lauris] by nemesis04
Sep 15, 2008 (1:01 pm)
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Replying to: lauris (Sep 13, 2008 6:43 pm)

You should change all the coils. Also, change the air flow sensor depending on the unit the computer may need to be updated.
#3901 of 4048
Re: Ignition coil replacement; now poor acceleration [nemesis04] by lauris
Sep 15, 2008 (1:49 pm)
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Replying to: nemesis04 (Sep 15, 2008 1:01 pm)

Thanks! Having not looked at the manual, is the air flow sensor easy to change?
 
Is this common for most Maxima's with these miles (110,000)?
 
Do other makes, such as Honda and Toyota, require this amount of maintenance? Curious.
#3902 of 4048
Re: Ignition coil replacement; now poor acceleration [lauris] by nemesis04
Sep 15, 2008 (2:50 pm)
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Replying to: lauris (Sep 15, 2008 1:49 pm)

They are pretty easy to change. When my 2001 Maxima hit 100k I changed all the coils and the air flow sensor because the check light kept on coming on. After the change, the car had its old spunk back and the light never came back on again.

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