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Home >> Chevrolet >> 1993 >> APV >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Basic Testing >> A-7, Basic Fuel System Checks (Gasoline) >> Fuel System Pressure Relief >> Model 700 TBI Unit (2.5L)
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Model 700 TBI Unit (2.5L)

Place transmission gear selector in Park (Neutral on M/T). Set parking brake, and block drive wheels. Loosen fuel filler cap to relieve tank pressure. Disconnect 3-terminal electrical connector at fuel tank. Start engine and allow to run until engine stalls due to lack of fuel. Crank engine 3 seconds to remove any fuel pressure left in fuel lines. Fuel lines are now safe for servicing.