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Converter lockup 

 

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 Post subject: Converter lockup
Posted: Thu Dec 22, 2011 1:57 pm 
Parts Gopher
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Hi i was just wondering when im doing a slow speed like 40km/ like school zone the transsision convertor locks up as if i where doing 100km/h on the highway anyone have any ideas what would couse this.
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 Post subject: Re: Converter lockup
Posted: Thu Dec 22, 2011 2:22 pm 
Getting Side Ways
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hades wrote:
Hi i was just wondering when im doing a slow speed like 40km/ like school zone the transsision convertor locks up as if i where doing 100km/h on the highway anyone have any ideas what would couse this.


Do you have the economy button turned off?

 

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 Post subject: Re: Converter lockup
Posted: Thu Dec 22, 2011 3:00 pm 
Parts Gopher
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Its on but still should not lock up as it only does 600rpm doing 40km/h and shutters until i put my foot down harder
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 Post subject: Re: Converter lockup
Posted: Thu Dec 22, 2011 3:41 pm 
Getting Side Ways
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It shouldn't lock up until 80kph. So check for a wiring fault, a dodgy solenoid or tcm issue.

 

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 Post subject: Re: Converter lockup
Posted: Fri Dec 23, 2011 10:46 am 
EFI Guru
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How's your temp when it does this? Early lock can be caused by high temp of faulty trans temp sensing. Do a self test.
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 Post subject: Re: Converter lockup
Posted: Sat Dec 24, 2011 11:22 am 
Parts Gopher
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I have a scan tool at work does a self test and nothing its all good
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 Post subject: Re: Converter lockup
Posted: Sun Dec 25, 2011 3:44 pm 
EFI Guru
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It can be caused by high engine temp which, won't be picked up by a self test. I found this occurring when my clutch fan went south and engine temp went a bit high. It's logical because converter slip causes extra heat in the system so, they lock it early.
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