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I have a 1995 Chevy Blazer S-10, 6 cylinder, 4WD. After the engine warms up and you are driving down the road, the engine completely cuts out. If you let it cool off for about 10-15 minutes, it will start again, but you get a hesitation for awhile(almost like it is out of gas) and then it cuts out again. This just recenly started happening. The fuel pump and fuel filter were replaced in January 2009 along with plugs and wires. The problem seems to be temperature related (everytime the engine cools down the car starts again). Any suggestions as to what might be causing the shutdown? Thanks.
Please help. I have limited funds?
jtemplin
Thanks
Steve
With regard to the air coming out from the wrong places, check the vacuum lines coming from the intake, over the brake booster, and down to the vacuum resevoir located in the drivers side front fender. Very common for these to dry rot and cause the problem you describe. Cheap and easy fix, takes a couple of bucks worth of vacuum lines (two different sizes) and about 10 minutes of labor.
Before you spend money, kick the bottom of the fuel tank a couple of times. Early in the dying days of a fuel pump they will sometimes "stall", and a good thumping will get them going again. For a while, anyway.
About a month ago , my neighbor who has a car that he races at a local dragstrip, noticed I was having problems getting started. He brought over a can of starting fluid and we sprayed it into the opening where I was doing my routine of restricting the air flow to get it to start ( between the the Mass Air Flow and the air filter ) and the engine fired right up. And fires up every time that I do that now. However spraying the starter fluid into the intake does not help the engine to start, it only helps it to start when I spray it basically into the Mass Air Flow sensor. When it starts the engine revs up real high then revs down to normal. Occassionally when it starts it will sputter and spit like it might stall but usually does not. It levels out after a few seconds. Could it be the Mass Air Flow that needs changed, or some other sensor?
I just replaced the fuel filter and it ran fine for two days. Now when I pour gas into the carb area it will start and run as long as I keep pouring it in. I am getting fuel from pump and through filter. I checked the pressure relive valve and I get nothing but drips out of it. Someone please help. I used this truck for business as well as personal and need transportation very soon.
When you restart the engine what does the exhaust look and smell like? Is it dark and smelling of fuel? If so that makes me think your choke isn't working properly. Without a carb in front of me I can't remember for sure but I THINK the choke can be replaced. Myself I would look at replacing the entire carb with one that can be adjusted.
I am going to replace the fuel filter this evening but would like input from anyone else who has had this problem.
Thank you
Mike
and the fuel pump does not run. found out the first pump runs if directly connected to battery. ran hot wire from battery to pump to run. i get fuel to the injectors. will start but then dies. will not stay running. we will be changing the fuel pressure regulator. help.