Maicobike1 Posted June 16, 2020 Share Posted June 16, 2020 Need help my astra is running normal when driveing above 30 on idle revs are up and down and get a splutter at 30 mph ive change the plugs coil pack and air mass meter pluged a machine in said a random misfire on 1 and 2. But runs normal When moveing need help carnt work it out Quote Link to comment Share on other sites More sharing options...
Vauxhall Owners Club Posted June 17, 2020 Share Posted June 17, 2020 It sounds like the coil packs or spark plugs are failing under load. You will need to replace the coil packs with QUALITY replacement parts and also the Spark Plugs will need to be set to the precise gaps and torque to the correct setting, otherwise the fault will continue in the future. Quote Link to comment Share on other sites More sharing options...
Maicobike1 Posted June 19, 2020 Author Share Posted June 19, 2020 Has my car got a egr valve I Carnt see one Quote Link to comment Share on other sites More sharing options...
Vauxhall Owners Club Posted June 22, 2020 Share Posted June 22, 2020 It won't have an EGR valve Quote Link to comment Share on other sites More sharing options...
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