S Speddy New member Joined Mar 10, 2009 Messages 1 Reaction score 0 Points 0 Mar 10, 2009 #1 the check engine light only comes on at highway speeds after about 10 minutes. it stays on until i shut off the truck. it is a 1991 chevy silverado v8 350 5.7 it does it everytime at highway speed but never just around town. what could it be?
the check engine light only comes on at highway speeds after about 10 minutes. it stays on until i shut off the truck. it is a 1991 chevy silverado v8 350 5.7 it does it everytime at highway speed but never just around town. what could it be?
M minniee New member Joined Mar 10, 2009 Messages 1 Reaction score 0 Points 0 Mar 10, 2009 #2 you should get that checked out use to happen to my dad and he got it fixed btw my dad has that same truck
you should get that checked out use to happen to my dad and he got it fixed btw my dad has that same truck
T tummybulge New member Joined Mar 10, 2009 Messages 2 Reaction score 0 Points 0 Mar 10, 2009 #3 Go to www.magicmechanic.com click on tech questions ask your question , Larry Perry will get back to you .
Go to www.magicmechanic.com click on tech questions ask your question , Larry Perry will get back to you .
