p0421 - Rennlist - Porsche Discussion Forums - Threads Tagged with p0421

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Threads Tagged with p0421

Threads Tagged with p0421

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0421, 987, book, boxster, cayenne, code, codes, error, fault, manual, obd, p0421, p0431, porsche, s987

3 Attachment(s)

2006 Base error codes P0431 and P0421

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cordsig79 on 11-21-2011

02-21-2018 10:41 PM
by deilenberger

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27

46,841

Cayenne 955-957 2003-2010

Question

cel, p0421, red warning, ses, tps

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Will tire PSI sensor error cause red exclamation lite to go on?

ensign83 on 11-23-2015

11-23-2015 05:47 PM
by ensign83

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0

1,362

Question

200, appears, cayenne, cayman, cel, code, miles, p0421, p0431, po421, porche, porsche

Chasing a CEL, would love some friendly advice.

rijowysock on 05-22-2013

05-23-2013 04:04 PM
by Macster

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7

2,234

997 Turbo Forum

0421, 20, air, cayman, code, engine, filter, gasoline, light, miles, p0421, po421, pop, porsche, replacing

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Error code P0421?

Han Solo on 06-24-2012

08-02-2012 05:28 PM
by Muzzy

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