1999 GMC Sierra 1500 Pickup Owner's Manual - Page 81

2. Don'tpushtheacceleratorpedalbeforestartingyourengine. othervehiclesyoumightneedtodothis,butbecause computersystems,youdon't. In some ofyourvehicle's 3. Turnyourignitionkeyto Start. Whentheenginestarts,letgoofthe key.The idlespeedwillgodownasyourenginegetswarm. Holding your key in Start forlongerthan 15 secondsat a timewillcaus m your battery be to drained sooner. the much And :essive heal damageyourstartermotor. 4. If itdoesn'tstartrightaway,holdyourkey in Start. Ifitdoesn'tstartin threeseconds,pushtheacceleratorpedalaboutone-quarter of the way it starts. downfor 12 moreseconds,oruntil 5. If yourenginestillwon'tstart(orstartsbutthenstops),itcouldbe floodedwithtoomuchgasoline. Trythis: Wait 15 secondstoletthestartermotorcooldown.Thenpushyour acceleratorpedal all the way tothefloor.Holditthere.Then,holdthe keyin Start fornomorethantenseconds.Thisclearstheextra gasolinefromtheengine. If theenginestilldoesn'tstart,waitanother 15 secondsanddoitallagain. Whentheenginestarts,letgoofthekeyandacceleratorpedal. Your engine is designed to work with the electronics in your vehicle. If you addelectricalpartsoraccessories,youcouldchangethewaythefuel injectionsystemoperates.Beforeaddingelectricalequipment,checkwith -w dealer. If youdon't,yourenginemightnotperformproperly If you ever have to have your vehicle towed, see the part of this Manua that tells how to do it wit'--.Jtdamaging your ?hide. See "Tc 'ng Yo Vehicle'' in the lnde To Start Your 5.7 Liter (Code K) engine or 7.4 Liter (Code N) engine: 1. AutomaticTransmission Moveyourshiftlever to P (Park)or N (Neutral). Your enginewon'tstart in anyotherposition-that's a safetyfeature. To restartwhenyou're alreadymoving, use N (Neutral) only. 2-1 3