95 Cutlass Drop Top Posted August 4, 2005 Report Share Posted August 4, 2005 I just really started to notice this it seems to have gotton worse. I have a pretty rough idle, it idles to the point where it seems to cut off but doesn't. Also somethimes when driving down the highway when you get off the gas, the rpms drop down for like half a second then its back normal. Like if the rpms are around 2500 it'll drop down around 1700-2000 then right back up to normal. What could be causing this? Quote Link to comment Share on other sites More sharing options...
94cutlatized Posted August 4, 2005 Report Share Posted August 4, 2005 Adjust the TPS sensor maybe, had similar problem with an ex-car. Is your car a 3100 or 3.4? Quote Link to comment Share on other sites More sharing options...
95 Cutlass Drop Top Posted August 4, 2005 Author Report Share Posted August 4, 2005 3.40 Quote Link to comment Share on other sites More sharing options...
94cutlatized Posted August 4, 2005 Report Share Posted August 4, 2005 O, dont really know much then. Try fuel filter, check for pressure in the rails, and spark. Quote Link to comment Share on other sites More sharing options...
Supreme Cutlass Posted August 4, 2005 Report Share Posted August 4, 2005 also be sure to check your IAC... Quote Link to comment Share on other sites More sharing options...
Robby1870 Posted August 4, 2005 Report Share Posted August 4, 2005 Adjust the TPS sensor maybe, had similar problem with an ex-car. Is your car a 3100 or 3.4? our TPS's are non adjustable Quote Link to comment Share on other sites More sharing options...
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