What just happened??
Thread Starter
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Senior User
Joined: Dec 1999
Posts: 205
Likes: 0
From: Marysville,CA
What just happened??
This is odd. I just got my truck together after installing a new under valve cover harness. I tried to start it and it just turned over.
I check everything and found that I had forgotten to plug in the big 24 point plug that's above the valve cover. I plugged it in,and it started right up.
I took it for a ride and it was running great- when suddenly it started to shake and run really rough. The ses light came on. So I limped it back to the shop. I turned it off and checked what code would come up.
I got a p1280,0472,0198,1119,0380,0475,1316 and 0640. So I clear the codes and restart. Ran like nothing ever happened. Drove it for a while and it seems to be fine. What is up??
I check everything and found that I had forgotten to plug in the big 24 point plug that's above the valve cover. I plugged it in,and it started right up.
I took it for a ride and it was running great- when suddenly it started to shake and run really rough. The ses light came on. So I limped it back to the shop. I turned it off and checked what code would come up.
I got a p1280,0472,0198,1119,0380,0475,1316 and 0640. So I clear the codes and restart. Ran like nothing ever happened. Drove it for a while and it seems to be fine. What is up??
Post Fiend
Joined: Mar 2007
Posts: 26,966
Likes: 50
From: Texas
Are you sure you got the UVCH connectors plugged back in tight? Got the 42 pin connector (square box with bolt) tightened up and is supported by the bracket not hanging loose?
Any wires below or behind that square box chaffed? If the insulation is rubbed off the wires and they short against metal, it can cause those symptoms.
Any wires below or behind that square box chaffed? If the insulation is rubbed off the wires and they short against metal, it can cause those symptoms.
Lead Driver
Joined: Jan 2007
Posts: 6,708
Likes: 5
From: Kiowa CO
Are you sure you got the UVCH connectors plugged back in tight? Got the 42 pin connector (square box with bolt) tightened up and is supported by the bracket not hanging loose?
Any wires below or behind that square box chaffed? If the insulation is rubbed off the wires and they short against metal, it can cause those symptoms.
Any wires below or behind that square box chaffed? If the insulation is rubbed off the wires and they short against metal, it can cause those symptoms.
Thread Starter
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Senior User
Joined: Dec 1999
Posts: 205
Likes: 0
From: Marysville,CA
Checked the plugs and everything seems to be tight.
I wonder if the computer went crazy because I forgot to plug in the big plug at first? Could I have just reset it when I removed the codes and turned the truck off?
I wonder if the computer went crazy because I forgot to plug in the big plug at first? Could I have just reset it when I removed the codes and turned the truck off?
