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Po170 Po300 Po560 system too lean , random cylinder misfire and iac rpm idle higher

M

mpiacc

New member
Hey just want to share with anyone who might be having these issues...I just had all these codes and fixed them as follows..po170 system too lean was the fuel pump..not enough pressure, got a brand new pump on ebay for $55...po300 random cylinder misfire was the icm ignition control module, got a brand new one on ebay for $48..and the iac idle higher than expected code, i just had to clean my pcv valve...did each of these one at a time and jus watched the codes disappear..hope this helps some one from wasting time..thanks
 


You spent $55 and $48 on 2 new parts but wanted to clean PCV valve instead of going to auto store and getting new one for only about $4? :th_scratchhead:

Welcome anyway :th_biggrin2: what car, year, and engine size did you fix?
 
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