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MK2 Discussion area for the second generation VW Golf and Jetta produced from 1985 to 1992.

       
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Old 05-13-2008, 10:41 AM
DPC DPC is offline
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Default 1986 jetta 1.8 with erratic idle

any ideas? im new to the MK2's. it also cuts out sometimes when on the throttle.

Thanks in advance
Dan
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Old 05-13-2008, 04:31 PM
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I have had the same problem on my 86 & 87 Jetta. Its the Idle Control Stabilizer. Its the little grey module on the side of the fuel distributor that is held on by 3 or 4 silver flathead screws. Usually it will make it lope at idle. Also you should replace your fuel return line that is mounted on your fuel pump assembly that is in the gas tank. Its just a 10 inch fuel line with a clamp.
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