P1404 Saturn - Exhaust Gas Recirculation Closed Position Performance
Read more: http://engine-codes.com/p1404_saturn.html#ixzz3NVET9uFS
SOURCE: In a Saturn SL2 1998,
P0133 is an oxygen sensor "response too slow" code (meaning it's not getting up to temperature quickly enough, and the computer is assuming damage to its heating element). P0422 is a catalytic converter problem indication (cat is below peak efficiency). It's assuming you have a failure with the primary O2 sensor and that the cat is also bad. Change your O2 sensor first, have the codes cleared, and see if the cat code comes back or if the O2 sensor change fixes both issues.
SOURCE: 1997 Saturn SL1 need to know what these codes mean?
P1640 islow coolant / hot / ATF temperature lamp circuit fault
P1641 is cruise clutch circuit fault low fuel circuit fault ( 1997 - 1999 )
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SOURCE: 2000 Saturn LS Service Engine Soon Light
codes are for fuel system lean bank 1 and 2. low fuel pressure or innacurate mass air flow sensor could cause this. most common is mass air flow sensor.
SOURCE: Check engine light 2005 Saturn Vue
the scan tool that you are using will not read codes from all of the modules. take the car to a gm dealer to have it checked with a tech2
SOURCE: my check engine light on my 07 saturn ion keeps
1174 is a lean code, and would have to been set first because it will not set when the 0300 is there. 0300 is a random misfire, because it read after the lean code, it was probably caused by the lean condition. 1st check for vacuum leaks from hoses or intake gaskets, you cal listen for a hissing sound, or spray carb cleaner around intake systems, a change in rpm will be noticed when spraying near a vac leak. other probable causes are the upstream 02 sensor, map sensor, or fuel delivery problems. does the vehicle idle porly, or does it miss at the top end?
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