1993 GMC Sierra "93" Questions

93 gmc sierra running rich no computer codes 93 gmc sierra running rich occassionally strong gas smell in cab no visable leakage what sensors control tbi Oxygen sensor[s],map sensor and fuel pressure ...

93 gmc sierra heater not working I have a 93 GMC Sierra 2500 diesle and the heater is not blowing warm air just a few days ago the heater was blowing hot hot air now nothing THERMOSTAT REPLACE IF NOT ...

i have a 93 gmc 1500 4x4 z71 , i was driving to work and my pedal would not move any what could be the problem break ,gas,or cluch pedal ???

Hi My 93 GMC 1500 doesn't have a radio and I would like to put one In. And I would like to know do I need to wire the truck for speaker? should have speakers aldeady installed

I have a Gmc 93 sierra , needs a tune up, fireing order is 1,8,4,3,6,5,7,2 .......where is 1 , ls, rs ? Front driver's side.

93 gmc sierra does not have fule gettin to the injectors wont turn over and think its the relay not for sure its the fuel sending unit

Would a transmission out of a 95 sierra work in a 93? yes they use the same transmission

I need a list of diognostics codes for a 93' GMC sierra 4x4, 350. you can download a list from the net

right rear brake and turn signal out running lights work 93 gmc sierra flasher sounds normal, front signal works fine Same thing was wrong with my 95 gmc it was tail light assembly that bulbs plug in ...

how many o2 sensors do I have on a 1993 gmc seirra I believe the 93 Sierra has only one O2 sensor. It is in the manifold on the drivers side. This assumes the 5.7L motor.