Hi, Need Help! I have a '02 sport trac with the following codes P0171, P0174, P1130pd, P1131pd and p1151pd. (looks like pd on my scanner) any and all help would be great Thankx John

 

Look for and repair any vacuum leaks. Clean the MAF sensor. Reset the PCM and retest.

Check engine light been on for a while?

Steve

 

looked for leaks found none...........cleaned MAF and throttle body. about a week ago light came on i read codes 171-174 came up did not use truck for about a week then took truck on a 150mi trip returned home read codes and found the rest 171, 174, 1130pd, 1131pd and 1151pd.engine idle's OK but when I increase throttle as RPM's increase engine runs rough