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'85 jetta running VERY rough!!


coredog44
04-13-2005, 12:43 PM
One day I got in my 85 Jetta GLI and started it up and it ran like CRAP! It ran like it was missing horribly, but didn't really know. I changed plugs , wires, cap and router. No change. I ran a compression check and it is fairly close. When I took off my new plugs, there was wet fuel on them (a fair amount). Any thoughts? I bought the car real cheap, but don't want to give up yet. It seems like parts are so expensive!

boschmann
04-13-2005, 02:56 PM
Check the resistance across the coolant temp sensor pins (located in flange where upper radiator hose joins cylinder head). Resistance should be 2000-3000 Ohms cold & go to 200-300 Ohms at operating temp.

sc00byd0034
04-23-2005, 11:08 AM
i was reading this and i have haveing a similar problem with my 89 jetta. if i dont get the correct resistance across there then what do i need tio do from there. is that a sensor that needs to be replaced or something

boschmann
04-23-2005, 01:29 PM
If the readings are incorrect, replace it.

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