Re: phantom check engine light

["Mark McCulley" <audicar99@hotmail.com>]

>> The Check Engine warning light on my recently-acquired 91 100 comes 
on
>> occasionally while driving. After several minutes of driving, the
>> warning light will go out. I've installed a momentary switch to allow 
me
>> to easily check the fault codes, but they are always 4444 which
>> indicates that there are no problems. Indeed, there are no symptoms 
of
>> any problems, the car runs just fine. Sounds like an intermittent
>> connection or grounding problem to me, but if anyone has any other
>> ideas, I'd appreciate hearing them.
>
>Try dropping engine revs below 2000 as soon as you see the light, and
>preferably while it's still on.  Then pull the codes again.
>
I did just that this morning. I pulled over and parked when the light 
came on and then checked the code (with the engine and warning light 
still on). Still got 4444.

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