Is there a modulator valve on my 2000 GMC jimmy

Is there a modulator valve on my 2000 GMC jimmy 1 Answer

what is code po440 on a 1997 gmc jimmy 2 Answers

my check engine light is on had the computer read and its showing code po440 and po441 sensor bank 1 sensor 2.what are these and are they easy to repair.

can you change the head gaskets on a 2000 gmc jimmy 1 Answer

can you change the head gaskets on a 2000 gmc jimmy , without changing the intake gasket on top

My 2000 GMC Jimmy cant go in reverse. 1 Answer

My 2000 GMC Jimmy wont go in reverse. It has transmission fluid in it that I just put in but it still wont go in reverse. When I was in the store parking lot I did hear a pop but I have no idea what...

Is there a sensor on the Cadillac converter on a 1999 GMC Jimmy 4 door 4 x 4 SLT 1 Answer

I am trying to modify my exhaust to straight pipe but I want to know if there's a sensor on the Cadillac converter that I need to be worried about other than the one that's on the the motor itself ...