Hi new hear so I'll be as short as I can I have a 2002 is200 I've recently had cam belt and water pump done plugs an air filter and also front O2 sensor along with a coil pack the car drives fine for bout ten-fifteen mins then starts running lean and shuddering slightly it is not over heating usely drives like a dream it shudders slightly more when in drive or reverse the eml flashes wen it is shuddering can any one help I'm at my wits end wen put on a reader it's not showing any thing