Question about 1991 GMC Sonoma
I have replaced distributor cap, rotor button, plugs and wires but still will not start. It does turn over but not start. Need the firing order on cap to make sure that I have it right.
I had the same problem. Google your engine I had a 4.3. Click images for fiiring order you will find it. You can also click video for setting timing. I got mine running with this information. Just remember that there are two marks on the harmonic wheel one for TDC & BDC. Also you need 3 things air/fuel/spark. Make sure you have these before replacing parts it gets spendy. I got my whole distributer and spark module for 40.00.
Posted on Jul 27, 2010
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Posted on Jan 02, 2017
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