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Old 09-29-2009, 09:50 PM   #1
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cruise control problems
My car is in park. My dad accidentally put the cruise control on. I pressed the cruise control reset button and my cruise control surges to 7000 RPM red zone. I shut it off immediately. it never did that before. my idle also went up to 1500-2000 RPM

i think it could be a vacuum leak. i just had my motor mounts replaced

it never did this before
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Old 09-30-2009, 02:52 AM   #2
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Re: cruise control problems
Check yourlines going to your vacuam canister should be around ball looking thing close to your charcol cannistermay be mounted in wheelwell towords front of car I think thats where mines at lost the first one it fell off.
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Old 09-30-2009, 06:51 AM   #3
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Re: cruise control problems
Quote:
Originally Posted by Richwiz1 View Post
Check yourlines going to your vacuam canister should be around ball looking thing close to your charcol cannistermay be mounted in wheelwell towords front of car I think thats where mines at lost the first one it fell off.
I am confused with your post

BTW Thanks, I will look by my Cruise Control Vacuum Diaphragm (round ball looking thingy) and it is by the charcoal canister
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Old 09-30-2009, 08:13 AM   #4
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Re: cruise control problems
'82-83 has electro-mechanical cruise control. It runs off the speedometer cable, some electric switches and vacuum for the throttle cable servo. I would suspect something is wrong with the cruise control tranducer unit on the driver's side inner fender.

The is no round ball vacuum canister. That was used on the '84-up electronic cruise control.
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Old 09-30-2009, 01:46 PM   #5
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Re: cruise control problems
Sorry if I confused you but you said you thought it might be a vacuam leak. I have a 91 Z28. Looking at my haynes book I tend to agre with the other guy.
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Old 09-30-2009, 02:42 PM   #6
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Re: cruise control problems
Quote:
Originally Posted by Dens71TA View Post
'82-83 has electro-mechanical cruise control. It runs off the speedometer cable, some electric switches and vacuum for the throttle cable servo. I would suspect something is wrong with the cruise control tranducer unit on the driver's side inner fender.

The is no round ball vacuum canister. That was used on the '84-up electronic cruise control.
Quote:
Originally Posted by Richwiz1 View Post
Sorry if I confused you but you said you thought it might be a vacuam leak. I have a 91 Z28. Looking at my haynes book I tend to agre with the other guy.


what is the cruise control tranducer unit ? how do I check and fix it?

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Old 10-07-2009, 08:03 AM   #7
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Re: cruise control problems
bump
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Old 10-14-2009, 12:58 PM   #8
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Re: cruise control problems
after further looking into the problem. my cruise control throttle cable has a kink in it. the problem of the RPM surging and high idle on cold start up was still there. but when I disconnected the power cable to the cruise control transducer the high idle disappeared

I think it is the cruise control transducer and i have to replace cruise control throttle cable
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Old 10-14-2009, 07:35 PM   #9
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Re: cruise control problems
the speedometer cable is missing
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Old 10-16-2009, 06:11 PM   #10
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Re: cruise control problems
my cruise control took control of my ride, sent me 70mph down a 34 mph zone. disconnected that bad boy
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Old 10-20-2009, 07:55 PM   #11
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Re: cruise control problems
bump
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