1989 Eliminator Posted February 22, 2014 Share Posted February 22, 2014 So i tested/checked the TPS, CTS, o2 and map sensors. All my grounds are upgraded and clean. Could this be a knock sensor issue? If its bad it wouldnt retard the spark like its supposed too. Possibly not enough back pressure and thats messing with egr? I'm stuck! Link to comment Share on other sites More sharing options...
cruiser54 Posted February 22, 2014 Share Posted February 22, 2014 Not the knock sensor. Not back pressure. What spark plugs are those BTW? Link to comment Share on other sites More sharing options...
88whitemanche Posted February 22, 2014 Share Posted February 22, 2014 Those look like those e3 spark plugs Link to comment Share on other sites More sharing options...
1989 Eliminator Posted February 22, 2014 Author Share Posted February 22, 2014 I bought them awhile ago. They are E3 spark plugs. http://www.e3sparkplugs.com/redirect.php?p=%2F If these are wrong then would this affect idle? Link to comment Share on other sites More sharing options...
cruiser54 Posted February 22, 2014 Share Posted February 22, 2014 Those look like those e3 spark plugs That's what I was thinking. Ditch those pieces of crap right away and put some NGK 7252s in there. Link to comment Share on other sites More sharing options...
1989 Eliminator Posted February 22, 2014 Author Share Posted February 22, 2014 I thought id try them! And i guess thats why my manifold gasket is going bad again. Everything is running too hot Link to comment Share on other sites More sharing options...
cruiser54 Posted February 22, 2014 Share Posted February 22, 2014 I don't think the plugs are causing your manifold gasket to fail, but those plugs look like they're definitely the wrong heat range. Link to comment Share on other sites More sharing options...
1989 Eliminator Posted February 22, 2014 Author Share Posted February 22, 2014 Well if the gases get too hot then it would distort the gasket material in the gasket causing a leak? Thats my thinking. Because I'm having a low and sometimes rough idle. And sometimes i can hear a leak (ticking) Link to comment Share on other sites More sharing options...
cruiser54 Posted February 22, 2014 Share Posted February 22, 2014 Nah. It's the plug itself that is too hot of a heat range. It retains it's heat and that's why the deposits are on it. Link to comment Share on other sites More sharing options...
benjy_26 Posted February 22, 2014 Share Posted February 22, 2014 After much trial and error, I keep coming back to either the NGK's mentioned above, or the Champ RCY12's. Link to comment Share on other sites More sharing options...
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