Question about 1994 Volkswagen Jetta

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1996 VW cabrio runs strong until the temp gauge reaches about halfway to normal, then misses and run intermittently rough below 2000 rpm. As the temp nears normal the condition worsens and smooth operating range rises to 2500-3000rpm. Atempts to cure it include: Sept 28 -Coolant sensors have just been replaced,exhaust has been dropped the check for blockage from deteriorated catalytic converter, spark plugs,elec. wiring harness seemed deteriorated & was repaired ; 18 mos ago fuel filter replaced, ignition wires; 1 yr ago distributor(cam position sensor?). Non VW mechanic was baffled, thought it was cured but recured next day after I picked up car.

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  • uggoftoff Oct 02, 2009

    Thanks for the idea. The car stalled again today and wouldn't start. I had AAA tow it to a VW Dealer shop of long standing. Seems like there are as many solutions to this problem as there are components. I am waiting to hear from them, but at least I have some grasp of the BS quotient. Plus, they can throw parts at it and put them backon the shelf, which I cannot do. Thanks again!

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I had a similar prob with my 94. The breather valve needed to be replaced

Posted on Nov 29, 2009

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I wonder if you've got an EGR valve stuck open that is making it vent exhaust gases into the motor at all times rather than only in wider throttle as it should?

Posted on Sep 30, 2009

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