Questions & Answers for: setting timing 93 gmc sierra

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 ...

octane grade for a 2001 v6 gmc sierra 1500 what's the recommended octane grade for a v6 gmc sierra 1500 93 but any will work

...93 gmc 4x4 was built with a standard trans i bought a new 700r aoutomatic but cant get tranny to go into overdrive should i change the computer also yes if u have harness and comp 4 auto hook up to ...

...93 gmc sierra hi im looking for the ignition switch in my 93 gmc sierra 1/2 ton 350 can you please tell me where it is located at? Tword the bottom of the steering colume. It will have a couple of ...

...timing on a 93 gmc sierra 1500 350 ? You can set the timing but the ecm, engine control module will reset it back to specs. So it useless to try. Good luck dont forget to rate you have to unplug set ...

93 gmc sierra 4.3 v6 has a hole in its oil cooler lines My 93 gmc sierra 4.3 v6 has rubbed a hole in its oil cooler lines and i cant find any replacements, no lmc or online cataloge has one that looks

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 ...

...timing 89 gmc sierra You have to disconnect the brown wire thats on the firewall. It disables the computer controlled advance and allows you to set the base timing. Disconnect SET TIMING connector ...

...93 gmc sierra 1500 4x4 every time i engage it into 4x4 it blows the 4x4 fuse as soon as i put it in 4 hi or 4 low it blows the 4x4 fuse Try unplugging the front axle actuator (at the front ...

GMC Sierra 4x4 wont engage My 93 Sierra wont engage into 4 high or 4 low & when it does the front tires wont spin. Any clue on what is going on? check fuses and relays--- fluid levels ---transfer case