GS - 2nd Gen (1998-2005) Discussion about the second generation GS300, GS400 and GS430 (1998 - 2005)

Engine trouble! Help!

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Old 04-28-10, 06:37 PM
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TLcoats
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Unhappy Engine trouble! Help!

Hey guys, My car just did something really weird. I hope there's nothing seriously wrong with it... Anyways, I hop in my car to go to the gym. I check my Apexi Neo and its reading 2.3% throttle signal. So im like ok, I'll just redo my throttle input into the control. Did full closed throttle hit ok, Then did full open throttle hit ok. I then proceeded to start my car. It turned over then immediately died, Tried it again and it turned over then died. I then hit initialize into my Neo and re input my Air/fuel numbers and it started right up! Now theres a CEL and vsc, and vsc off light. Is this something that i should be concerned about? What happened? Anyway to fix this? Should i restart my Ecu? Thanks for the help on this one guys, Im actually a little stressed out about this.....
Old 04-28-10, 07:13 PM
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austin7891
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i see this has gone unanswered...maybe try to get the cel read at advance auto? i know its like 7 over there so they should be open. im really not sure bro, cus i dont have a neo...
Old 04-28-10, 07:14 PM
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austin7891
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also -- are you on stock shocks/struts?
Old 04-28-10, 08:37 PM
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TLcoats
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Originally Posted by austin7891
also -- are you on stock shocks/struts?
Yes i am.

I undid the negative side of the battery for a few minutes and everything is back to normal. thanks for the help
Old 04-29-10, 08:16 AM
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denut-L
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I would suggest resetting ecu and then start from point A with the NEO, check for loose wires and did you clean the MAF yet, How did you hook up the neo? PnP harness or DIY way. LMK if you need the settings again, i have them saved.

GL
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