1993 GMC Suburban Owner's Manual - Page 78

Pt Enginesstartdifferently.The8thdigitofyourVehicleIdentificationNumber or number for yourengine. You willfindtheVIN (VIN)showsthecodeletter atthetopleftofyourinstrumentpanel.(See"VehicleIdentificationNumber" intheIndex.)Followtheproperstepstostarttheengine. T i .Start Your 5.7 Liter (Code K) engim or 7.4 biter (Code A) engine: ! I . Automatic Transmission Moveyourshiftlever to P (Park)or N (Neutral).Yourenginewon'tstart in anyotherposition-that'sasafetyfeature. To restartwhenyou're alreadymoving,use N (Neutral)only. .('i_ f...,...n y/: ...2 5 2 i.; ..i x 1 1 ..::' ... $;N:oTifC E,:::::)...c ~ j: _ I . , . Don't try to shift to P (Park) i your vehicle is moving. It you do, you f could damage the transmissbn. Shift to P (Park) onlywhen your vehicle, is stopped. Manual Transmission Shift your gearselectortoneutralandholdtheclutchpedaltothefloor whilestartingtheengine. Your vehiclewon'tstart if the clutch pedal is notallthewaydown-that'sasafetyfeature. 2. Don'tpushtheacceleratorpedalbeforestartingyourengine.Insome othervehiclesyoumightneedtodothis,butbecauseofyourvehicle's computersystems,youdon't. 3. Turnyourignitionkey to Start Whentheenginestarts,letgoof key.Theidlespeedwillgodownasyourenginegetswarm. the 7.4L Engine Cold Start: In cold weather,below 60°F (16"C), startthe enginethesamewaybutpushtheacceleratorpedalone-quarter of the waydownand hold it thereforabout 2 secondsaftertheenginestarts. . ... . . ... . . , ... . , ... ~fl Start for ionger than 15 seconds at a irme WIII cause your battery to be clrarnea much sooner. And the excesslve heat car! carnage your sarter motor. Hoiarng your key 4. If it doesn'tstart right away, hold your key in Start. If it doesn'tstart in threeseconds,push the acceleratorpedalaboutone-quarter of theway down for 12 moreseconds, or until it starts. 2-1 4