cruise control issues

tauzins · Feb 20, 2009

hey, so we were changing my tubing for the egr etc. w/e has the smallest tubing, and i went with a smaller size of 5/32 since 3/16 was just sliding off.

well i ran into 1 issue, my cruise control doesnt want to correctly work now. it seems that when i accelerate to 60 and try to make it go onto cruise, it drops to 50 mph then cruises, and if i try to use cruise control to accerlate, well it just stops working completely. ive checked my line to the cruise control black box thingy. and i was wondering if anyone could help me out with this?

02 eclipse gt
mods - aem cai, invidia n1 exhaust. - worked when i had these installed.

thanks, tauzins

us11csalyer · Feb 20, 2009

assuming it worked before going to a smaller vacuum line I would say the smaller one is collapsing.

tauzins · Feb 22, 2009

some reason advance doesnt sell 3/16 tubing, for vacuum would fuel tubing work? or no...

Danielv2008 · Feb 22, 2009

This will sound weird, but try disconnecting the tube from the CC unit, and then when the car is idling suck on the tube and plug the hole with your tongue. If the RPM's go up and stay when you have created vacuum in the tube, then the tube is fine. If the RPM's go up, then drop, it means the tube is defective or incompatible

tauzins · Feb 22, 2009

well i mean what else could be the issue here? and also. anything about CC codes? i was trying to figuire this out with factory manual but im getting anoyed trying to figuire this out.

gt_02 · Feb 22, 2009

I had this same problem. It also dropped down and then cruised and if i tried to change the speed it would cancel. I replaced the cruise control motor unit with a used one and that fixed it. Make sure all your vacuum lines are hooked up right first though.

tauzins · Feb 22, 2009

you mean the black unit?

Tx4Codeman · Feb 22, 2009

All we did was change the vacuum line. Before this it worked just fine. It's almost as is when we pulled the line, it broke when losing its vacuum... What?! Maybe after replacing the vac line we need to reset the cruise control Ecu?

tauzins · Feb 23, 2009

well we cant figuire this out... mine completely doesnt work now... in the manual it said the service code 17 is possible pump failure....

Tx4Codeman · Feb 23, 2009

We put the stock hose back on and the problem is fixed.

tauzins · Feb 24, 2009

^ yea how much does that suck lol

cruise control issues

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