craig_s
Member
Registered: 5th Mar 06
Location: Birmingham Drives: mk4 astra gsi
User status: Offline
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when started from cold it run's like crap.idles ok but when you drive it's very jerky and hesitates until it's cold.
also got a bad missfire under boost sound's like it's only running on 3 cylinders.but it won't miss fire on part throtle only full or 3/4 throotle.
its a std c20let engine bar and uprated actuator but the boost is still set to standard.no ecu fault codes showing and has had the following new parts.
new plugs gapped to 0.6mm
new cts
new dizzy cap and rotor arm
new leads
tried 2 different coils
2 crank sensors
2 dizzy's
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SportBoy
Member
Registered: 5th Oct 01
Location: Retford, Nottinghamshire
User status: Offline
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no airleaks after the afm??
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craig_s
Member
Registered: 5th Mar 06
Location: Birmingham Drives: mk4 astra gsi
User status: Offline
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ive had a look and can't seem to find any.ive also just noticed that the waste gate arm on top of the turbo is rattling,like it's loose but there is no way to tighten it up.
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