Posted by Dave in GA on March 18, 2011 at 14:59:51 from (163.246.18.120):
Perhaps someone has the answer to this one. I drive a 1992 Chevy Suburban with a 350 and throttle body and 4-speed auto trans. After the engine's warmed up, if I accelerate slowly, easy on the gas, the vehicle starts to shake. It feels as though it's starved for fuel, or some sensor is confused. It gets worse as the vehicle approaches the point of having to upshift. After I get out onto a highway, it feels like it's running fine. When I start the vehicle with a cold engine, it runs fine. It's after the engine warms up when the problems start. I keep it tuned up. What do I need to replace? Someone said the EGR valve, but I had a new one put on a few years ago. The oxygen sensor is almost new. This problem has baffled the mechanics that I normally use. It's been happening for a few years and getting worse.
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Today's Featured Article - What Oil Should I Use? - by Francis Robinson. I keep seein this question pop up over and over again in discussion groups all over the web. As with many things there are often several right answers and a few wrong ones. Some purist I'm sure will disagree to no end with what I will tell you but most of us out here in the real world don't really care do we ? Some of them only bring their noses down out of the air long enough to look down them anyway. If you are like me you are only doing this old tractor stuff because you enjoy it. You
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