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Recent questions tagged p0400

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What these codes mean. My 1999 Infiniti G20 failed emission. How to fix it?
asked Jan 29, 2021 by zaynab72 (101 points)
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1 answer 427 views
What is OBDII code P0400 on 1999 Nissan Maxima?
asked Nov 11, 2018 by
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1 answer 694 views
P0400 Nissan -
asked Nov 9, 2018 by
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1 answer 525 views
I have 3 codes showing on my 1998 Nissan Frontier XE 2WD
asked Nov 6, 2018 by
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2 answers 895 views
1999 Nissan Sentra 1.6L with code P1775 pending what does this mean?
asked Sep 10, 2018 by
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1 answer 550 views
nissan, altima, 2000 Is there anyway to test the EGRC-BPT Valve?
asked Sep 7, 2018 by
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1 answer 597 views
Where is this located on engine code P0400?
asked Aug 16, 2018 by
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1 answer 264 views
ford mondeo petrol
asked Aug 10, 2018 by
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1 answer 449 views
I got the code P0400 code on my BMW, what is the meaning of the code?
asked Aug 8, 2018 by
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1 answer 650 views
1996 Nissan 200SX OBDII code P0400,P0505
asked Jul 23, 2018 by
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2 answers 655 views
1997 Subaru Legacy with engine code P0400
asked May 14, 2018 by
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1 answer 428 views
P0400 - could it be caused by a disconnected pipe?
asked Apr 22, 2018 by
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1 answer 880 views
Where is the egr for a 2008 nissan altima
asked Mar 25, 2018 by
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1 answer 441 views
I have a 1995 altima with a PO400 and a PO325 code are they related ?
asked Mar 22, 2018 by
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1 answer 1.8k views
P0400 P0105
asked Mar 18, 2018 by
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