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Forced Induction & Engine Management
HELP on my 4g93t engine......
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<blockquote data-quote="ehem" data-source="post: 4106373" data-attributes="member: 32534"><p>standard 4g93t engine? or modified engine? might be because already modified thats why got these problems..? spark plugs matches with engine set up or not? checked ur ignition coil resistance is within spec? fuel pressure ok thruout rev range? using fuel with enough octane level? ur compression standard? intake air temperature ok? if got spare ECU try to swap... it can be a lot of things, but definitely will be a lot of headache..</p><p></p><p>ur sympthoms is back firing when boost is building up right? best is send it for dyno run... then can see ur afr.. also monitor engine temperature, knock sensor, fuel pressure, these things can tell u more or less whats goin on with ur engine.</p></blockquote><p></p>
[QUOTE="ehem, post: 4106373, member: 32534"] standard 4g93t engine? or modified engine? might be because already modified thats why got these problems..? spark plugs matches with engine set up or not? checked ur ignition coil resistance is within spec? fuel pressure ok thruout rev range? using fuel with enough octane level? ur compression standard? intake air temperature ok? if got spare ECU try to swap... it can be a lot of things, but definitely will be a lot of headache.. ur sympthoms is back firing when boost is building up right? best is send it for dyno run... then can see ur afr.. also monitor engine temperature, knock sensor, fuel pressure, these things can tell u more or less whats goin on with ur engine. [/QUOTE]
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Forced Induction & Engine Management
HELP on my 4g93t engine......