Question about 2003 Nissan Sentra
2.5 2003 sentra...my gas mileage is down to 20mpg hwy if I am lucky. I have had multiple mechanics look at it and no one can figure it out! I want to fix it and stop wasting money with diagnostics! I had replaced the catalytic converter and oxygen sensors already. Any ideas?? I just want the decent gas mileage everyone talks about. Some just tell me it's an old card??Old?? I didn't think 5 years was old. It has about 85000 miles on it.
I have qr25de 2003 and the problem is the catalityc converter put nismo headers with no catalizer
Posted on Oct 17, 2008
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Posted on Jan 02, 2017
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