Question about 1989 GMC Sierra

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GMC Sierra 1989 Will turn over but not start. Plenty of fuel. I need an online manual so I can work on this thing.

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Replace complete distribtor

Posted on Sep 04, 2010

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1 Answer

1989 GMC Sierra taking to much fuel floods out


Bad temp sensor ? Just a shot in the dark without being there to check it myself but a common problem.

Mar 09, 2015 | 1989 GMC Sierra

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1989 GMC Sierra Truck Engine light is on? What could that mean?


The check engine light means something has happened to the performance of the engine to affect emissions. You need to get the computer scanned for trouble codes to proceed.
You can research "GM check engine light" online to get the steps to check it yourself.

Oct 08, 2012 | 1989 GMC Sierra

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1989 GMC SIERRA - RUNS AND JUST QUITS RUNNING. I HAVE CHANGE THE DISTRIBUTOR CAP AND ROTARY BUTTON AND THE COIL ALONG WITH THE OTHER FIRING UNIT. I HAVE CHECK THE FUEL AND FUEL FILTER ALONG THE GAS LINE...


I had similar problems with my surburban run then com back out act like won't start replaced had to replace fuel pump haven't had anymore problems yet

Feb 08, 2012 | 1989 GMC Sierra

1 Answer

94 gmc sierra 4.3 v6 manual, won't turn over, can hear fuel pump start when accessories turned on..won't fire, girl who needs help


The first thing I would check is fuel pressure. This type of fuel injection requires a minimum fuel pressure in order to operate. If fuel pressure is as little as one psi below minimum the vehicle will not start. You can try squirting a couple of shots of carb spray into the air snorkel while somebody cranks the engine over. If the engine starts and then dies you now you fpdeffinetely have a fuel issue. If the engine still won't start check for spark. Let me know what you find. Let me know if you have any questions and I'll do my best to answer them. Thank you for using FixYa.com!

Feb 07, 2012 | GMC Sierra Cars & Trucks

1 Answer

I have a 1989 GMC sierra 4.3 Liter, fuel pressure


u can do the check the other way around/ disconnect the fuel line that supply the injectors/ put the pipe in a small plastic container to see if fuel is being supplied by the pump and avoid fuel spill in ur engine/ crank the engine for at least 5 seconds see if the fuel squirts with pressure/ if it does then ur fuel pump is ok / blockage is somewhere down the fuel line/ u can check fuel lines by blowing it with air but u gonna need the help of an air compressor.....

Apr 09, 2010 | 1989 GMC Sierra

1 Answer

1989 GMC Sierra p/u gasoline V8 will not start. Cranks but no fuel from carb jets. Fuel pump is working. I put gas down the carb throats and it starts right up. The carb has two sensors over each jet,...


The Carb jets may be plugged try dry gas or so you fuel pump is working is the fuel filter plugged try checkin make sure you dont have any broken wires?

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1989 GMC sierra c1500 largest tire size?


any tire dealer can provide this info.

Apr 29, 2009 | 1989 GMC Sierra

1 Answer

1994 GMC Sierra wont start when at operating temp.starts fine cold!


its your fuel pressure regulator!!!!!!!
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Apr 13, 2009 | 1994 GMC Sierra

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