As Steve said, corroded electrical connectors, check em ALL. Oil leaking from half-moon plugs or VTCs. TIMING BELTS. TIMING BELTS. TIMING BELTS. (Yours may only be @ 112k, but unless you KNOW it's been done, do the 120k kit, age is also a factor, not just mileage.) Leaky rubber fuel lines, check em all, even the ones attached to the fuel rail under the upper plenum. Bad injectors (usually 90-93's), clean their connectors then test their resistance. Any injector not between 10-15 ohms is likely on its way out. (SHOULD help you gauge how long you have til they fail) Sub-frame bushings, though it depends on their age/treatment. You'll see clear fluid coming down from them, you'll know it's time to change em. Loose nut behind the steering wheel, it creeps up on ya and outta nowhere it's completely loose.
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