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05/11/2020 10:35 pm
Topic starter
I have a 2008 nissan pathfinder that is getting codes p0171, 174, 300. I had recently replaced the valve cover gaskets on it. After which is was running ok until I started getting misses. I suspect something happen to the intake after taking it off so many times. I am going to change all the spark plugs and coils just to see if the problem will fix it cause they never been changed.
5 Answers
1
06/11/2020 7:24 am
You may have vacuum leak. Check the video by Scotty on how to find vacuum leak by cigar.
Also clean your MAF sensor.
@yaser
That's what i'm thinking, i tried the wd40 trick but nothing.
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06/11/2020 2:32 pm
Try cleaning the MAF sensor.
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06/11/2020 5:41 pm
Topic starter
- Well looks like found the issue. I forgot to put a screw in the intake. I thought I heard air coming out from it.
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06/11/2020 5:41 pm
Topic starter
- Well looks like found the issue. I forgot to put a screw in the intake. I thought I heard air coming out from it.