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----- Original Message ----- From: "Russ Wolfe" <russella@prairieinet.net> To: "Barry Viss" <barryviss@yahoo.com> Sent: Tuesday, March 06, 2001 5:48 PM Subject: Re: [T3] pressures (long) > > Subject: Re: [T3] pressures (long) > > > > > > > > > > > Another problem to really throw you off is that when the engine is cold it > > runs very uneven: sounds like one cylinder is having problems but I can't > > for the life of me figure out which one. And yet the plugs are identical. > > I have unplugged injecters one at a time many times but I can't quite get > it > > with just my ears. It happens at all RPM's while cold. My neighbor is a > big > > VW nut and mechanic and I have him stumped as well, even after he listened > > to it himself. This unevenness makes it a pain to drive before it is > > warmed up, then it is smooth as silk. It is also smooth for about 2 > seconds > > immidiately after starting, which would point to... mixture? injectors? > > > > While meticulously checking the FI harness (recorded all ohms) I > discovered > > that injector wires 2 & 3 were switched, correcting this made no > difference. > > I also inspected the FI points, they looked fine, fired right on time, and > > both dwelled the same.(160 and 165 deg about, with a protractor) don't > > laugh, I'm desperate > > Sorry to be so long, please help. > > > Check the resistance of the plug wires and the rotor. The plug wires should > be no higher than 2000 ohms. The rotor should be 3000-5000 ohms. When the > engine is cold, it takes a higher voltage at the plug to get complete > combustion. After the engine is warmed up, it will run on a weaker spark. > > Russ Wolfe > russw@classicvw.org > http://www.classicvw.org/ > > ------------------------------------------------------------------- List info at http://www.vwtype3.org/list or mailto:help@vwtype3.org