Found this ~ Have no idea who the Dennis is ~

" When the coolant reaches about 100'F, the ECU goes into "Closed Loop" operation. At this point, the final fuel mixture is determined by the oxygen sensor. Dennis 10/26/00]"

                                                                                        ORR ~ DeanB

On 27 Feb , 2015, at 6:35 PM, Jon VO wrote:

> Only if the engine is running long enough to get warm, not sure that is
> happening.
> 
> On 2/27/2015 4:54 PM, Steven Johnson wrote:
>> Agreeing with Mark,  O2 sensor.   Had similar issue with my
>> 91 and a replacement O2 sensor fixed it.
>> 
>> Steven
>> 91 Westy
>> 
>> On Fri, Feb 27, 2015 at 3:05 PM, mark drillock <mdrillock@cox.net> wrote:
>> 
>>> This sounds like it could be related to the oxygen sensor circuit. When
>>> the engine is cold the ECU ignores the O2 sensor. Once the engine warms
>>> 
>>> 
>>> Mark
>>>