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Comments
Thanks for your time
My problem was a weak fuel pump on my 95 that after driving a few miles, would drop in pressure, eventually stalling out the vehicle. It would idle all day long but when pressing the accellerator, would slowly decrease pressure while driving. I would pull over and it would start immediately and run for another 2 or 3 miles then die again, sounding like it ran out of fuel. I put an in-line pressure gage, between the fuel filter and engine with a long enough hose so I could duct tape the gage to the drivers window and monitor the pressure as I drove. I could see the pressure drop off and eventually get to zero when it would die. Idling was fine with full 30 or so PSI of pressure but when the engine demanded fuel during accelleration, it would drop off. Weak fuel pump.
I would make sure your connections in the tank are good first of all and if they are good where you are sure it's not sucking air from inside the tank, I'd change the pump. A GM mechanic told me that those pumps need to stay cooler than most by keeping at least a half tank of fuel in it to help the pump from heating up and prematurely dying before it's time.
I crawled under the truck and pulled the bed bolts (6 each), disconnected the fuel spout from the bed and just slid the bed out of the way to gain access to the top of the fuel tank so I wouldn't have to drain the fuel and drop the tank to work on the pump. Not a very hard job for a tinkerer like me.
Good luck!
vi-kan
My Chevy s100 2001 acted like it was out of gas. It would die while going down the road. I could put it in N and it would start back up. It started getting worse but bucking and stalling when turning corners. Finally it would go about 5 miles and die and just wouldn't start. I had top mechanics looking for the problem and an OLD shade tree mechanic fixed it in 5 minutes! The coil is locted right on top.
Have you check the fuel side of it / pump / filter etc / are the sparks clean or dark or moist / I am not a mechanic but have a s10 with 210k miles ;o)
What is likely is that the intake manifold gasket is seeping coolant into the lifter valley causing the lifters to rattle. replacement of lower intake manifold gaskets will likely repair this issue.
Any help, ideas or recommendations?
Engine shuts down and will not restart after about 20 minutes driveing time but only in warm weather above 70. It will restart and run fine after 12 to 14 hours for another 20 minutes.
The truck runs great without issue from fall till spring then the weather gets warm and the problem returns. When it shuts down the fuel pressure with the key on is 20psi.
I replaced the fuel pressure regulator, and the filter 3 times, no change. I have not changed the fuel pump, but my thinking is if the pump was going bad it would have quit compleatly by now. I have had several 4.3s and have replaced alot of fuel pumps on them, none acted like this.
Any thought on this would be great
Any advice someone would have would be welcome, especially what are the cheapest things to work on/replace as I try to pin point the problem.
It's a 2001 4 cyl, manual transmission, just hit 80k miles.
Any suggestions?
I have a 1995 GMC Sonoma extended cab with a V6 4.3L with fuel injections.. one day i was driving home and when i go to step on the brake to come to a complete stop, as soon as i reach 10 mph my truck rattles very loud and gives a push before stoping.... as i go to push on the gas it acts as if its a stick shift and gives its self another push like as if its shifting...im stuck as why it would be doing this, somebody please give me some ideas or info as to why it does this please!!!