Pac_Man Posted February 25, 2013 Share Posted February 25, 2013 Hi everyone, I've had an issue with my Z for a while which hasn't really been a big deal but I figured I should probably figure out what it is in case it does turn into an issue that could be prevented. Every so often when I start my car, it idles rough (usually between 500-700rpm), shudders, and bogs down. It loses quite a bit of power until I drive it for a bit. After that, it's fine. It's happened with the engine hot and cold. Part of me wants to say that it seems to be the symptoms of the cold start injector firing when it doesn't need to, but I'm not sure. Any advice is appreciated. Thanks, Pac Man Quote Link to comment Share on other sites More sharing options...
BluDestiny Posted February 25, 2013 Share Posted February 25, 2013 I'd check afm and all efi related components for proper resistance. Then check fuel pressure/filter/pump for inconsistent fueling. Quote Link to comment Share on other sites More sharing options...
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