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R34 Cold Start Engine Lite Sos

simjim89

By simjim89,
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simjim89 Contributor

simjim89

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Car: er34 rb25de neo auto

Situation : Engine light on cold start .... after 15 min of driving turn car off and on again ... light turns off

Problem car will most likey run rich when light is on and .... the light is on lol

Checked : head not making rude sounds (oil flow should be ok )

Engine oil pressure (dash guage) seems a bit high but nothng crazy

water temp (dash guage) normal

no misfire clunks or rude sounds

Runs fine after restart after about 15min driving

Pow wow : thinking possible o2 sensor or ecu water temp sensor (aparently theres 2 one for dashand another for ecu)

Has anyone had this before... the boss does not have a scanner but possibly have one lined up tomorrow afternoon ..... need to get falt code

Has anyone experinsed this before ? and what was the solution

Thanks everyone

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https://www.sau.com.au/forums/topic/356846-r34-cold-start-engine-lite-sos/
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  • 4 weeks later...
simjim89 Contributor

simjim89

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Hay guys checked with my head mechanic and found a scanner then found another one after 3 diff scanners all found code 21 "ign signal problem" ok i have read all the posts on diagnostics it seems to be always coil packs has anyone ever herd or had something other than that ?

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