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STARTING 1995 GMC SONOMA DOESN'T START WHEN I TURN THE KEY ON THE LIGHTS AND RADIO COME ON AND IT TURNS OVER FINE BUT I AM NOT GETTING A CK ENG LIGHT OR ANY INDICATOR LIGHTS
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Sounds like you have several problems. If the engine will not crank, do you have power on the purple wire on the small starter terminal when the key switch is in the start position ?
Check for power at the switch wire when someone turns the key to start. I would say there is a break in the circuit of the thin wire between the starter & the ignition switch
2001-2004 gmc sonoma 4.3 [X, W Eng.] fuel system specs: 60-66 psi when you turn the ignition key (fuel pump) on without starting the engine. If fuel pressure drops back down quickly after fuel pump stops working (works for only 5 sec.) then you have a bad fuel pump or leaking injector spider.
Make sure all the ends on your battery cables are clean and tight. I got a tow in because my car would not try to start even tried boosting to no avail. All my lights and radio was working but they said the cable was corroded and would not let the full power work. We replaced the battery cables and worked like new now.
My engine light in my 2002 GMC Sonoma has been on for the past four weeks. Yesterday I had an oil change done on my truck with a local mechanic. He turned the engine light off, but it came on soon after leaving his shop.
This morning I went to start my truck and there was NO power whatsoever. After repeatedly turning the key, I soon saw a slight movement on the battery display, but no lights would come on. It just seemed like it wasn't getting any power. I changed the battery two years ago, so it should be fine.
Eventually, the truck received full power and started, more less out of no where. It wouldn't hold an idle and would just die if i took my foot off the gas.
Hopefully someone has a solution for me.
Thanks.
need truck scanned some auto stores such as auto zone / advanced auto scan for free check ur local area the trouble code will give u start point towards fixing problem
U have lost the battery, check the cables, if they are clean (no corrsion) replace the battery, modern sealed batteries fail like this, crank fine and then puff nothing, happened to at least 5 times over the years and saw it all the time at work.
thanks it was the ignition switch.
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