Engine Code P1421 Problem - BMW Forum - BimmerWerkz.com
3-Series (E36) Chat relating to the BMW 3-Series from 1992-1999. Autodoodad Specific models include: BMW 316i, BMW 318i, BMW 318iS/ti, BMW 320, BMW 323, BMW 320, BMW 324, BMW 325, BMW 328.

 
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#1 (permalink) Old 10-22-2004, 06:58 PM
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I have a 328i (1996) Service engine light on steady
Auto Zone checked OBD II problem with P1421 and P 1423 now what?
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#2 (permalink) Old 10-22-2004, 08:38 PM
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Used Romance

Sometime ago I posted all these codes somewhere on this forum; for now this is what your codes mean:

P1421= Secondary Air Injector Valve Circuit Short
P1423= Secondary Air Injector System, Bank1 Flow Too Low (same as Bmw-specific code 245)

For a future reference:
These codes when have a "P" denotes to Powertrain
Second digit= Additional Emission System
3rd/4th= Additional Emission Control

At this point I would take it to a mechanic for further tests/fixes.

good luck
billb
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#3 (permalink) Old 10-23-2004, 06:10 AM
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Quote:
Originally posted by billB@Oct 22 2004, 07:38 PM
Used Romance

Sometime ago I posted all these codes somewhere on this forum; for now this is what your codes mean:

P1421= Secondary Air Injector Valve Circuit Short
P1423= Secondary Air Injector System, Bank1 Flow Too Low (same as Bmw-specific code 245)

For a future reference:
These codes when have a "P" denotes to Powertrain
Second digit= Additional Emission System
3rd/4th= Additional Emission Control

At this point I would take it to a mechanic for further tests/fixes.

good luck
billb
[snapback]216414[/snapback]
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#4 (permalink) Old 10-23-2004, 06:12 AM
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Quote:
Originally posted by UsedRomance3+Oct 23 2004, 05:10 AM--><div class='quotetop'>QUOTE(UsedRomance3 @ Oct 23 2004, 05:10 AM)</div><div class='quotemain'> <!--QuoteBegin-billB@Oct 22 2004, 07:38 PM
Used Romance

Sometime ago I posted all these codes somewhere on this forum; for now this is what your codes mean:

P1421= Secondary Air Injector Valve Circuit Short
P1423= Secondary Air Injector System, Bank1 Flow Too Low (same as Bmw-specific code 245)

For a future reference:
These codes when have a "P" denotes to Powertrain
Second digit= Additional Emission System
3rd/4th= Additional Emission Control

At this point I would take it to a mechanic for further tests/fixes.

good luck
billb
[snapback]216414[/snapback]
[snapback]216607[/snapback]
[/b][/quote]
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#5 (permalink) Old 10-23-2004, 06:20 AM
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UsedRomance3 is an unknown quantity at this point
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Thnx Bill for the info, I'm a first timer with a bmw so I don't know much other than I don't want to get ripped off
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