1999 GMC Yukon Questions

Answered 1999 GMC Yukon Questions

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Any idea what is causing this to happen? we have changed the oil the crank shaft sensor
I changed the rotor and distributor now the diagnostic says camshaft position, HOW DO I FIX IT
I did the relearn procedure and still no start
I did the 10 minute relearn, the light went out but still no start. I don't have the original key its a remade key but no chip.
It runs for a second then dies. It has spark and fuel.
I did it once with rtv silicon but it didn't hold now i have the right gasket
I HAVE BEEN FILLING UP AND JUST GOING OFF THE TRIP AND GETTING AROUND 320 MILES BEFORE I FILL UP. GAS GAUGE DOES NOT MOVE OFF FULL MARK TILL AROUND 250 MILES I KNOW THIS IS NOT CORRECT.
we changed the rear end before the rearend went out it was shifting fine now if you put it in drive it wont take off but if you put it in low it will shift fine manually and pull good
Freon level is good, clutch is operational. But do not have any service lights on.
I have gone about 240 miles and it is reading between 1/2 and 3/4 tank I know that's not correct. Then sometimes it will start to work. What would cause this?
3 weeks ago I turned my AC on, it blew for about 3 mins and stopped. No blower at all, nothing. I stopped at my destination and when I started the truck again, all was normal again. Now two days ago the same thing hap...