locating heater control valve on 1992 Buick roadmaster?
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All 1992 Buick Roadmaster
at, speed runs well, just during idle, oilpressure drops, engine idles rough and stalls.
The car will was starting with the old battery (after a jump) but after we got a new battery, sta...
my car is ruuning fine but it idles up and down until the oil pressure gauge goes down to 0 and t...