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Correct fault before clearing code 850 1994

Start by inspecting your vacuum hoses for leaks. Fuel trim codes often caused by vacuum leaks. Look at the intake manifold behind the PS pump and if there's a vacuum hose (elbow) there (not all yrs have it), it might have colapsed. The other end of that hose goes into a fitting at the bottom of the air intake tube just before the turbocharger. Also remove the plastic cover above the throttle base and inspect vacuum hoses there as well.






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