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-   -   what does these codes mean for 2000 dhs (https://www.cadillacforum.com/forum/cadillac-deville-15/what-does-these-codes-mean-2000-dhs-4069/)

dhsman 10-18-2007 12:15 PM

what does these codes mean for 2000 dhs
 
P0171
P0174
P0326

somebody help me for i can get these things resolved and can somebody inform me on how the tune up my own caddy and if its wise to buy parts on my own and do it myself...thks partnas

slowroll 10-18-2007 08:52 PM

RE: what does these codes mean for 2000 dhs
 
P0171 AND P0174 Codes are lean condition, both banks. P0326 excessive spark retard. Lean condition may cause P0326.Hope it helps

dhsman 10-19-2007 10:24 AM

RE: what does these codes mean for 2000 dhs
 
oo ok yea man thats helps..i appreciate it..so what do i do is it tune up problems, can i fix da problem on my own..or what....

dhsman 10-19-2007 10:36 AM

RE: what does these codes mean for 2000 dhs
 
also will a tune up solve these problems...

slowroll 10-19-2007 10:32 PM

RE: what does these codes mean for 2000 dhs
 
Unlikely, can't hurt. Look for vacuum leak(s). Restricted fuel filter possibly. Rubber boot that attaches to intake is also suspect. Hope it helps.


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