87 turbo coupe guage fluctuation
My 87 turbo coupe guages (OP, temp and fuel) have taken to fluctuating wildly. The amp guage seems to not have joined in. All thee guages rise to near max for a few minutes (haven't timed it 2-5 is my guess) then drop to somewhat below normal. The car continues to run fine during these eppisodes. Any ideas?
Jim
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