jimmyport Posted May 21, 2016 Report Share Posted May 21, 2016 Hi my question is my cutlass convertible 3.4 has a terrible idle when cold startup once it warms up its great this has been sitting in my garage and finally getting around to working on it my question. Is it the plenum gasket that leak air or is it more than that Thanks Jim Any one that has a step by step repair offering would be great they could share Quote Link to comment Share on other sites More sharing options...
55trucker Posted May 21, 2016 Report Share Posted May 21, 2016 Any one that has a step by step repair offering would be great they could share The step-by-step offering would be the Factory service manual, it really is invaluable if you want to do your own repairs. The diagnostic section on fuel/emission covers these problems. http://www.ebay.com/itm/1995-Chevy-Monte-Carlo-Lumina-Pontiac-Grand-Prix-Buick-Regal-Service-Manual-Set-/351725898056?hash=item51e47f4948:g:wGwAAOSwQNRXLCId&vxp=mtr Quote Link to comment Share on other sites More sharing options...
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