hi all new here , have been reading some forums here seem you guys know what your doing im a retired mechanic and working on granddaughter 2000 jimmy,,, was losing antifreeze ,, 4.3 v6 none in oil so i did some research and found out these models are bad about intake gaskt... so i dissassembled everything replaced very bad intake all went well, put all new orings on everything i removed ,, now when i started up idles at 3000...read another guy had troubles w/ throttle and cruise cables checked that they have slack,,, also tried the propane trick no change checked all vacum lines good repl egr,also no codes

 

hi from Trenton, Ontario
check the right tech thread, post your questions there and sure you'll get some help
good luck, Jim

 

Welcome from Utah.

 

welcome from NY

 

Welcome from New Jersey

 

Welcome from another New Yorker.