Question about 2011 Nissan Maxima SV
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Posted on Jan 02, 2017
SOURCE: Auto Diagnostic Trouble Code
cORRECT. tHIS CODE DOES DEALs With emmissions. P1400 deals with the EGR valve. In case u are not aware, EGR stands for Exhaust Gas Re-circulation. What really this valve does is that it re-cycles some of the exhaust gases into the cylinder for combustion. The EGR valve might be blocked or has malfunctioned. It is advised that this valve changed or consult with a mechanic who is knowledgeable about this technology. a malfunctioned/dis-abled EGR system will cause the car to fail an emissions test, and may cause the EGR passages in the cylinder head and intake manifold to become blocked with carbon deposits, necessitating extensive engine disassembly for cleaning. So it is advised that u repair this ASAP
Posted on Jan 19, 2009
The code points to a 02 sensor no responce. It may be dead. Testing can confirm this. If the car has a broken wire or an 02 sensor fuse this also could be the issue.
Posted on Nov 10, 2009
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