On 6/7/2011 2:53 AM, Eric McCord wrote:
ok.....I finally got my 91 back out on the road. I have
the WB02 installed and all seemed well on the drive into
work (35 miles). No surging at idle and no cutting out
while driving. When I started home after work the ECU drop
outs started and the surging is back.
I had the Link out earlier and checked for cold solder
joints....none found. I reseated the chip and checked all
the connections at the ECU. What could cause both the
hunting for idle and dropping out the ECU causing the
engine to die? I am thinking a ground problem, but I
wanted to float this out to the collective to see if there
is some other explanation.
Eric
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Are you using the keypad? More importantly, the little
ribbon cable that comes out of the LINK is prone to wearing
through the insulation. Shorting some of the wires to the
grounded ECU case could cause ECU reset. Can you run the car
without the ribbon/pad ?
I've experienced the ribbon cable shorting ecu reset trick.
Inspect the cable - if you can see the wires through the
insulation, wrap with electrical tape for a quick patch.
You may have to hold the cable up to the light to look for
reflections from the wire - sometimes the wear is subtle.
If no keypad and no ribbon, umm, nevermind. Then it could
be cracked solder joints in the box, or wiring outside the
box. Good luck.
-Bruce
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