EricT Posted October 4, 2011 Share Posted October 4, 2011 After changing spark plus and plug wires on my 94 LS400, I was getting bad idle and acceleration (felt like a miss). I had a my mechanic run a diagnostic and the only thing he could find was a fault code for the Mass Air Sensor. I know I didn't damage it while removing the meter to access the plugs. Is there anything which could be causing the problem? I've never had this problem before I changed the plugs. Quote Link to comment Share on other sites More sharing options...
billydpowell Posted October 5, 2011 Share Posted October 5, 2011 you better recheck your work, you had to damage something, if all else fails put the old parts back in, one at a time till you find the faulty one, then report back and tell us how you fixed it. cheers.. Quote Link to comment Share on other sites More sharing options...
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