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Altima Nissan Altima Sedan Discussion Forum

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  #1  
Old 11-07-2019, 08:38 AM
Atms Atms is offline
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2002 Altima Sedan
 
Join Date: Nov 2019
Posts: 3
Default Pinging under load

My 2002 altima 3.5 pinging under load, does it more once it get warm. Can't go over 70 with out pinging and using oil and gas. Low power also.
I changed plugs, coil packs ,there no check eng. Light on . 200,000 miles on car.
New vacume lines.
Changed to 93 Oct. And putting injection cleaner.
Need help.
Bought new mass air flow sensor last night. Fixing to put it on now.
Knock sensor????
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  #2  
Old 11-07-2019, 03:05 PM
jcg0324 jcg0324 is offline
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2011 Altima Sedan
2011 Altima 2.5s
 
Join Date: Jan 2016
Location: Philadelphia
Posts: 37
Default my 2011 altima did the same thing. scanner showed missfires in mode 6

my 2011 altima did the same thing. scanner showed missfires in mode 6. I had 74,000 miles on car and took to dealer ... they had to replace the computer. They put in a new one .. saved me $1500 because of the emission regulations. You have to have less than 80,000 miles to qualify.
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  #3  
Old 11-08-2019, 10:14 AM
Atms Atms is offline
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2002 Altima Sedan
 
Join Date: Nov 2019
Posts: 3
Default

Mass air flow sensor didn't work.. my car has 200,000 on it.
It's a ping ,like bad gas.
What controls the timing ? Knock sensors?

I have no codes.
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  #4  
Old 11-17-2019, 05:59 AM
Atms Atms is offline
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2002 Altima Sedan
 
Join Date: Nov 2019
Posts: 3
Default

I hope it's not the computer!
Does the Altima 3.5 have a EGR value?
I has a code pending p0152 should I order a cheap o2 sensor , for 20$ or put OMC 90$
Also when I replaced the coil packs ,I bought them at AutoZone, not OMC. DOES THAT MATTER?
I REALLY need to fix this car. I be thankful for any help. Thanks
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