kcd1184 Posted November 12, 2017 Report Share Posted November 12, 2017 My 1998 Eldo, recently back from surgery(headgasket), has twice shown the service engine light warning, not on consecutive days. Activated the onboard and P0121/P0124 History appeared. Deleted codes to see if that removed the warning light. It does. I have the 3 volume service manual so I know what they are but I am not very tech smart . Any suggestions on how to proceed? Car has been running fine with the only thing I notice is that when at a stop there is a very minimal unevenness to the idle. Doesn't show on the tach . Thanks Kent Link to comment Share on other sites More sharing options...
barczy01 Posted November 12, 2017 Report Share Posted November 12, 2017 Hi Kent, Get a wire brush and clean the throttle body bore. 3 7mm bolts hold it on. Make sure the wire harness for tps, iac and mass air flow isn't being pulled on or real tight. Link to comment Share on other sites More sharing options...
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