bought a 19999 yukon and its got some issues stalls after starting runs rough not the spark plugs could it be the injectors we dont know how long this truck sat for or fuel filters

Asked by Oct 12, 2016 at 02:10 PM about the 1999 GMC Yukon SLT

Question type: Maintenance & Repair

bought a yukon  1999 and it stalls runs really rough not the plug or wires were
just replaced 2 days ago could it be the injectors  or fuel filters air cleaner can
you please get me in the rite direction on what to check

1 Answer

17,790

Do some general maintenance things first. Check and replace air filter if necessary, clean throttle with throttle body cleaner, add fuel injector cleaner to gas tank and replace fuel filter.

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