bredman2256
New Member
MY 02 TAHOE was throwing codes found out was a lean on the right bank so my mechanic did a smoke test and found out the upper intakehad a vacuum leak truck only has 70000 on it any body now if chevy is doing any thing about these i had a 1997 and didnt have to do that one til 106000 seems gm has a issue here ? just another issue along with the many others abs ,stearing, instrument gauges etc.