Questions & Answers for: p1423 p1421

...P1423 P1421 Check engine light on codes P1421 P1423 what is it and how do I fix it I'm not sure where you got the codes... I have a Peake R5/FCX-3 - nice for diagnostics. You should look at the ...

...P1421 & P1423 Des anyone know what these scanner codes mean? go to the link below, type in the code and the difinition of that code comes up in a list as defined by each car maker. ...

2002 Lincoln LS trouble codes p1421 and p1423 coming up with EGI test failure and catalyst damage where can I find definistion and description? Try this sight http://www.aa1car.com/

hi my name is george, i have a 97 328i in-line 6 got codes p1421 and p1423 i know what p1421 is but not p1423 its an air flow related code. possibly a cracked hose.

p1421,p1423,p0141 code P0455......... Evaporative emission system leak detected ( large leak ) check gas cap code 1451...........secondary air system leak ( bank 2 ) check for vacuum leak code 1423...

I have code P1421 and p1423 i think is related to the secondary air pump, please let me know code p1423 secondary air injection air system bank 1 insuffient flow detected.

...p1423 refers to secondary air injection system --insufficient flow detected causes hose connections---air valve--air pump p1421 refers to secondary air injection system bank 2 insufficient flow ...

...P1421 and P1423 codes what are they and how do i fix them? Thanx Here you go: P1421 - Secondary Air System malfunction P1423 - Low flow limit check This indicates a problem with your secondary air ...

code p1421 0n 2000 bmw 328i https://blog.bavauto.com/5929/bmw-fault-codes-p1421-p1423-secondary-air/