Hi david Yes with my car the engine will not idle. runs for 10 seconds then chugs slower and slower then stalls start again and it does the same. Gas pedal down makes it cough and die. have now bypassed the idle system and the car idles at 1500 rpm, hence i am now checking through the idle wiring etc. DMUK have checked my idle ecu and motor and they work Ok. going to check the microswitch next. have pulled the injectors and they squirt ok with good pattern when running the pump and pushing the air intake flap. has new plugs etc, o rings. have soaked the fuel dist plunger in acetone and put back togther. Regards steve --- In dmcnews@xxxxxxxxxxxxxxx, "David Teitelbaum" <jtrealty@xxxx> wrote: > > The frequency valve should be buzzing even when the motor is cold. The > Lambda is running in "fixed" mode until the engine and the O2 sensor > warms up. > > Unless you can't keep the motor running at all at idle it is not > necessary to "bypass" the idle motor system. > > David Teitelbaum > vin 10757 > > > > --- In dmcnews@xxxxxxxxxxxxxxx, "blackaddertoo" <blackaddertoo@xxxx> > wrote: > > > > Hi David > > > > does not the lambda system only cut in when the car has warmed? > > > > unless the thermister is faulty, telling the lambda system the car > > is warm when it is not? > > > > is it best to do the removal/bypass of idle system using the screws > > to help narrow the problem? > > > To address comments privately to the moderating team, please address: moderators@xxxxxxxxxxx For more info on the list, tech articles, cars for sale see www.dmcnews.com To search the archives or view files, log in at http://groups.yahoo.com/group/dmcnews Yahoo! Groups Links <*> To visit your group on the web, go to: http://groups.yahoo.com/group/dmcnews/ <*> To unsubscribe from this group, send an email to: dmcnews-unsubscribe@xxxxxxxxxxxxxxx <*> Your use of Yahoo! Groups is subject to: http://docs.yahoo.com/info/terms/