Re: ECU Visual dignosis
When caps leak, it's usually directly under the cap itself, not viewable from either side til the cap is removed. The yellow crap looks like the normal board protectant.
In my experience with bad ECU's of the OBDII variety, you can tell when you hook up a OBDII tester and it reads either ERR or nothing at all.
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2009 Corvette Z51-SOLD
1992 Mitsubishi Eclipse GSX-SOLD
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