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05-31-2015, 10:11 PM
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#1 |
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Registered User
Join Date: Aug 2013
Location: Tecumseh
Posts: 355
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Re: Engine revs up when starting
Missed the year. Actually the ecu will open the throttle body servo motor to maintain commanded rpm.
__________________
Current project 1959 Willys = GEZR TRUK Geezer is a Latin compound word made up of two roots. Gee meaning Urine Stain and Zer meaning your pants are open! FMCDH GBU and GBA http://www.youtube.com/user/aknovaman/videos |
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05-31-2015, 10:46 PM
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#2 |
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Registered User
Join Date: Mar 2013
Location: Marquette michigan
Posts: 828
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Re: Engine revs up when starting
My thoughts on vacuum leak would be throttle blade would be shut and idle would be above target set point and long term fuel trim would be on the plus side. To be honest I haven't dealt with this scenario in a while but a guess as said earlier I suspect a software issue, but I always worked on stock applications.
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