have a2012 silvarado it starts pinging at 70 and up changed spark knock sensors does not give a code

have a2012 silvarado it starts pinging at 70 and up changed spark knock sensors does not give a code 1 Answer

He's hesitating to go up a steep grade at 70 miles per hour losing horsepower 1 Answer

Hesitating to go up a steep Grade @ 70 MPh. I replace Cadillac converters O2 sensors cap and rotor and wires. Got the transmission rebuilt 2 years ago clue less please help

Does my 2001 Chevy Suburban have a throttle or a carboraor? I am having trouble with it not staying started. I changed the fuel pump and it still don't work. 2 Answers

I am trying to see what is wrong with my truck. I changed the fuel pump and it still doesn't stay started.I was wondering if I have a throttle or a carberator?

I have a 85 chevy and on the way home after filling it up in stopped running. It would not fire from that point on. What could cause it not to fire? 3 Answers

I have checked all the plugs and wires, replaced the coil, the ignition module, and checked fuses under dashboard. Still doesn't fire. What else can I try? 1985 model

I have a 2011 Chevy Silverado it wont turn over at all it has power to all accerssories but does nothing when i turn the ke 4 Answers

I have a 2011 Chevy Silverado it wont turn over at all it has power to all accerssories but does nothing when i turn the key