Spenceeros Posted October 6, 2009 Share Posted October 6, 2009 I have a 92 Pathfinder and today after I had to replace some defective spark plug wires, I notice that my Idle is rough and fluctuating. This wasn't the case with the old wires which were defective. I'm thinking maybe I put too much di-electric grease on the boots? Could it be something else and just bad timing? Its weird the idle will be fine, then it will start going up and down for no reason. Link to comment Share on other sites More sharing options...
GrimGreg Posted October 6, 2009 Share Posted October 6, 2009 (edited) Did you check the cap and rotor too? They could be the root of your wire failure. Edited October 6, 2009 by GrimGreg Link to comment Share on other sites More sharing options...
Spenceeros Posted October 6, 2009 Author Share Posted October 6, 2009 Hmm well I replaced those two about 5 months ago. Maybe they are lose? Link to comment Share on other sites More sharing options...
Tungsten Posted October 6, 2009 Share Posted October 6, 2009 Check the cap, it is a maintenance item at the dealer so you can get it cheap. Link to comment Share on other sites More sharing options...
Spenceeros Posted October 7, 2009 Author Share Posted October 7, 2009 hmm well I think I figured out the problem. After replacing my plugs I noticed that a vacuum line next to the 6th cylinder had come out. Well it just so happens that this particular line controls vacuum to the fuel regulator. Problem solved, kinda. I'm still getting a little roughness in idle, with a touch out rattling around my headers...lovely. Probably a different problem. Link to comment Share on other sites More sharing options...
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