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Engine rpm dropped momentarily while stopped at the light, then came right back up.

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Old 07-14-2008, 10:34 AM
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Default well, they were loose at the connections

loose to the point that w/ boost they might seal up some due to the barbs on the fittings but w/ vacuum might pull in air...

just wiggle them around w/ your fingers and check. if they are stock i'd say they are crap.
Old 07-14-2008, 11:25 AM
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Car will stay running with a dead CPS, but won't start with a dead CPS.
Old 07-14-2008, 11:33 AM
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Can I get that extra cable if you still have it?
Old 07-14-2008, 03:04 PM
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Default Sure thing, I'll have to dig around to find it - email me your address

my email is fastscirocco_2000@yahoo.com

The cable I got was from a knock sensor which is
common on the VW's BMW's and Audis.
Old 07-14-2008, 03:53 PM
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A three pin VW O2 sensor connector is the same as the CPS end.
Old 07-14-2008, 06:08 PM
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Default Cleaned ISV thorougly with Q tip from both end using throttle body cleaner then I used CRC lubricant

CRC multi purpose Silicone lubricant, put back in the car and it started. Of course this doesn't say much because it always started before. The real test will be when I drive it for a while and it doesn't die on me. The hoses seem OK.
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Quick Reply: Engine rpm dropped momentarily while stopped at the light, then came right back up.



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