donaldbly

I've got to pump the gas until 82 starts it then runs rough until it warms up and then seems to smooth out. The codes are 13, 14, 15,
Ox sensor, coolant sensor low, coolant sensor high.

Any help will be so much appreciated!!

Buccaneer

Do you have a GM service manual? If so, start following the CEL code troubleshooting charts starting with the latest code and go in order. If you don't have a service manual, GET ONE. BUT, since you do have two related codes, it may be your CTS sensor which is fairly common for the stock type sensor. If that IS the issue, buy the newer style CTS as the replacement with two wires that has the ground wire, it will work a lot better than the original that takes its ground through the sensor itself via the threads. Also, what is your fuel pressure? Good luck.

Wrecked82

On a carburetored car, pumping the gas was one thing, but not too sure it does anything. Depressing the gas pedal some to maybe make gas flow more might make sense, but I would run down the codes.

donaldbly

Thanks Larry!

Fast81

You should NOT have to pump the accelerator on a fuel injected setup like the 82 has. Sounds like your fuel pump is starting to go and cant push full 13-15psi at startup.

donaldbly

Thanks!