Truck is not running right. - The 1947 - Present Chevrolet & GMC Truck Message Board Network

skokie · 03-04-2008, 10:41 AM

Ok I changed the oil in my 01 sierra and then pulled up the 68 to change its oil. After it was done I started it and after a minute or so it started running bad. It was going down to 500 rpm and would try to go dead unless I gave it gas. Since I was planning a putting the new qjet with the electric choke on it I left it and came back to it tonight.

I put the new carb on qjet 17066553 and it is running a little better but it will idle at 800 then go down to 650-700 then back up to 800. Its got me stumped on what it could be. Any one seen this before?

Thanks in advance.

03-04-2008, 10:41 AM	#1
skokie Registered User Join Date: Oct 2003 Location: San Jose Ca. Posts: 3,334	Truck is not running right. Ok I changed the oil in my 01 sierra and then pulled up the 68 to change its oil. After it was done I started it and after a minute or so it started running bad. It was going down to 500 rpm and would try to go dead unless I gave it gas. Since I was planning a putting the new qjet with the electric choke on it I left it and came back to it tonight. I put the new carb on qjet 17066553 and it is running a little better but it will idle at 800 then go down to 650-700 then back up to 800. Its got me stumped on what it could be. Any one seen this before? Thanks in advance. __________________ RIP to my son Dylan. 5/17/2002 - 8/18/2018 If you want to know more about rare forms of pediatric cancer or if you want to help fund pediatric cancer research, please check out the website for the non-profit I started. https://slothforpedcancer.org 68 build thread http://67-72chevytrucks.com/vboard/s...d.php?t=223234



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