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Originally Posted by jimmoore21
Here is the deal I recently bought a 92 lumina with the 3.1 V-6 in it. On the way home it ran great. However AFter it sat for 1hr I went to go for a drive. It was running good. then 10 minutes later. I started having a really rough Idle but not stalling.
On the way home from when i first got it I could hit 60 in seconds. Now Once I get to about 40 it doesnt want to go. It Like shuters or vibrates.
Just dont get It. I changed Plugs Oil and Wires bUt It still Does the same thing. Now today I went to drive it Did real good for a while then after a little bit same thing.
ANY IDEAS??
Please help Its the only car I got
JIM
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I recently bought one also and had the same problem and did all the bull that was suggested finally a friend said that injectors must have a certain amount of pressure so I borrowed a fuel pressure guage turns out the fuel pump was only puting out about 15 lbs of pressure instead of the 32 to 45 lbs required. this is simple to cheak for and cheap to fix if its the problem.