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| MK1 Discussion area for the first generation VW Golf (Rabbit) and Jetta produced from 1975 to 1984 including Cabriolet and pickup models. |
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08-31-2007, 06:45 PM
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more cold start problems
i have an 88 cabby, cis injection of course. upon startup on any day, cold or hot day, it runs horrible until it reaches about 3/4 operating temperature. any ideas, i'm thinking it's a cold start valve, but i don't know how to check it, or really what it does.
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05-22-2008, 03:14 AM
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The cold start valve is turned on by the thermo time switch. The csv is like the 5th injector and sprays fuel until the engine warms up. I have replaced many csv, and should replace the thermo switch too. The thermo switch is on the front water outlet and turns on the csv when the antifreeze is cold. The csv runs about 75 bucks but well worth it.
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