Re: '87 5K CS TQ CHECK ENGINE light?!?!?!

["Lino M. Valadas" <valadasl@osha.igs.net>]

> 
> Tonight coming home from work the "Check Engine" light would flash on
> briefly when changing gears,  initially while under moderate boost and
> 4k rpm +.   The manual says could be a problem with low octane fuel, 
> knock sensors, or other ignition system problem.  (This is the little
> engine symbol with the lightening bolt thru it, not on the autocheck
> system, but on it's own dedicated panel light).
> 
> I'm using the same 92 octane fuel I have for the last 3 years, from the
> same station.  Unless they are selling mis labeled fuel, what could my
> problem be?   Any experience out there with this?
> 
> jazman
> '87 5KCSTQ (soon to celebrate it's 10th birthday)
> '93 100CS


My car had a similar condition (86 5ktqw) after months of trying everything
I could think of and the book recomended (high octane gas etc),  I found a
broken wire at the sensor  at the intercooler.   I soldered it back on and
the light never came back on.

Lino 

86 5ktqw