Re: Idle_Off-idle problem

["John Hervey" <dherv10@xxxx>]

Dave, 
My 11004,Jan. 82 Idles at 900, I have also noticed that even thought 
the books say idle can't be adjusted. In another part of the service 
manual it shows you how to adjust the idle.
John 
11004



--- In dmcnews@xxxxxxxxxxx, "Dave Swingle" <dswingle@xxxx> wrote:
> Thanks. The idle RPMs (750 vs 850) were estimated based on watching 
> the tach thru the back window, not with any fancy test equipment. 
> Strange thing to us was the difference between the two cars, one 
> going to 1200 and one (mine) going to around 900 by flipping the 
> microswitch. I did notice, though that it was impossible to make my 
> engine run at, say, 1000 rpm with the gas pedal, it was either 
above 
> or below. 
> 
> BTW - these two cars were within about 400 VIN of each other, both 
> 10/81 build.
> 
> So - I guess the other car has a 1200 rpm ECU and mine has 900. Any 
> idea when the spec changed? I'll bet it was 10/81 or one of these 
has 
> been changed. My car is the slightly later build date of the two.
> 
> Thanks!!
> 
> Dave
> --- In dmcnews@xxxxxxxxxxx, "DMC Joe" <dmcjoe@xxxx> wrote:
> > Dave,
> > 
> > There are two versions of the idle speed ECU both are set for 750 
> +/- 50 RPM when switched on and 900 and 1200 RPM when switched off. 
> Although the 1200 RPM sounds high the effect will null out as soon 
as 
> a load is placed on the engine.
> > 
> > BTW; your idle speed should be 750 RPM not 850.
> >
> > 
> > ----- Original Message ----- 
> > From: Dave Swingle 
> > To> Subject: [DML] Idle_Off-idle problem
> > 
> > either idle at 850 rpm (normal) or, as you tip-in the throttle, 
> jump
> > immediately to about 1200