2008 silverdo wt 4.6 engine..engine light came on...30,000 miles if the dealer does a diognostic and finds enissins bad..maybe a oxygen senor..its covered i think...but will the diogenostis be covered because it is eniniss related ?? thaks richard... btw..if it gives a reading ? is there something else going on in the engine that is not right ?

 

<!--[if gte mso 9]><xml> <w:WordDocument> <w:View>Normal</w:View> <w:Zoom>0</w:Zoom> <w:PunctuationKerning/> <w:ValidateAgainstSchemas/> <w:SaveIfXMLInvalid>false</w:SaveIfXMLInvalid> <w:IgnoreMixedContent>false</w:IgnoreMixedContent> <w:AlwaysShowPlaceholderText>false</w:AlwaysShowPlaceholderText> <w:Compatibility> <w:BreakWrappedTables/> <w:SnapToGridInCell/> <w:WrapTextWithPunct/> <w:UseAsianBreakRules/> <wontGrowAutofit/> </w:Compatibility> <w:BrowserLevel>MicrosoftInternetExplorer4</w:BrowserLevel> </w:WordDocument> </xml><![endif]--><!--[if gte mso 9]><xml> <w:LatentStyles DefLockedState="false" LatentStyleCount="156"> </w:LatentStyles> </xml><![endif]--><!--[if gte mso 10]> <style> /* Style Definitions */ table.MsoNormalTable {mso-style-name:"Table Normal"; mso-tstyle-rowband-size:0; mso-tstyle-colband-size:0; mso-style-noshow:yes; mso-style-parent:""; mso-padding-alt:0in 5.4pt 0in 5.4pt; mso-para-margin:0in; mso-para-margin-bottom:.0001pt; mso-pagination:widow-orphan; font-size:10.0pt; font-family:"Times New Roman"; mso-ansi-language:#0400; mso-fareast-language:#0400; mso-bidi-language:#0400;} </style> <![endif]--> Richard Lowman,

Would you please PM me the last 8-digits of your VIN, so I may look into this further for you?

I look forward to your reply.

Louis
GM Customer Service

 

Our 2008 Chevy Silverado was at the dealer being repaired for AFM problems. 2nd time the truck has lost prime and the lifter failed. They replaced some lifters, cam, heads etc... While it was there they reprogrammed emission for 2015 recall. Picked the truck up knowing we had to bring it back because they didn't replace the loom covering the wires. Drove home fine but the next day it throw an emission code. After a diagnosis they called and said the Catalytic converter was bad.. The dealer said they wouldn't replace it. How should we proceed?? They reprogrammed emissions which caused the Cat to malfunction. If they aren't responsible I'd think GM would be... 2008 Chevy Silverado 1500 5.3 90,000 miles