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Home >> Oldsmobile >> 1985 >> Calais Base, 2.5 U, Standard >> Repair and Diagnosis >> Engine Performance >> System >> Fuel Injection System - Single Unit TBI >> Trouble Shooting >> Surge
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Trouble Shooting: Surge

Check for intermittent open or short to ground in the following circuits: transmission converter clutch (420 and 422), HEI by-pass (424), EST (423). Refer to "GENERAL MOTORS COMPUTER COMMAND CONTROL SYSTEM" in Computerized Engine Controls Section for testing procedures.

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