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New Middletown, OH
have it scanned for codes
check any relays that correspond to the fuses,kia and Hyundai have copper posts on all their relays that are subject to heavy corrosion
tough to say for sure but unplug the harness again n clean it with electrical spray without melting the plastic them plug it back together n try it.crc makes a good contact cleaner that doesn't melt plastic
check the main relay under the hood.
so many things come into play here.voltage drop tests across the starter and alternator.load test the battery.spark,fuel compression tests
turn your key to the on position,that should illuminate all the lights so you can read it.or you can start the engine to see what it says.im thinking it said stability active but no sure about saab.could be a tough one to diagnose
just take it to a shop.they got high level scan tools to find any ignition faults,smoke machines to find vacuum leaks n most likely a back pressure guage to find if the converter is actually bad.parts stores only scan your vehicle hoping to sell you parts.they rarely have a real mechanic n they don't do diagnostics whatsoever.
whats the st and lt fuel trim look like at higher idle
yes it could, a stuck caliper or collapsed brake line or stuck caliper slide pins.one or more of those locked up and is generating to much heat in the rotor causing the pulsation in the brake petal.