View Full Version : My truck starts, sputters, then dies 3.0L 1999
03-07-2009, 08:44 PM
Hey guys, over the past few days, my truck has needed to be cranked longer than the norm to start, but it would run okay, and today, me and my family went on a hiking trip 30 miles away and upon arrival my truck suddenly sputtered out and died, no engine codes at all. I keep my OBD2 tool in the glovebox. It would immediately restart, but then die immediately after. I got it towed home and It would restart, then sputter and die again quickly, but not as quickly as when it first stopped. The longer it sits, the better it starts and revs, but regardless it will sputter and die in 30 - 60 seconds usually now. It will even rev normally a few times before dying if it sits long enuf. I replaced the fuel filter about 2000 miles ago, and did a complete tune up at that time also, every thing but the ignition coil. But since my truck is throwing no codes at all, im thinking the fuel pump is out. That is a big job though, before I start Anyone have an idea of if this sounds like the fuel pump? Thanks
03-07-2009, 09:07 PM
Check to make sure the fuel filter was not installed backwards. There's an arrow printed on the filter, make sure it's pointing toward the engine. I would also inspect the fuel lines for any sign of damage (compressed or crushed).
03-07-2009, 09:13 PM
Or the $11 fuel pump relay.
03-07-2009, 09:26 PM
check the fuel pressure...
03-09-2009, 06:57 PM
Okay, I have never actually tested a fuel pump before, but today I went out and bought this kit that attaches to the fuel rail port, and it says my truck has 55 psi at the rail, when you shut the truck off it slowly drops almost to zero but not quite, then when you turn the key or restart it it goes back up to 55 again. And also since the truck sat overnite it now runs fine. Yesterday after driving it, it would only sit and sputter, then eventually die. And it wasnt overheated. I think the pump maybe getting flaky and if I actually drive it anywhere it will fail on me and leave me sitting. Anyone else have this problem. The truck still has no trouble codes at all in the OBD2.
03-09-2009, 07:02 PM
if youve got pressure i doubt if its the pump. in my experiences fuel pumps dont come and go, they are there or theyre not.
Id try testing the coilpack, my truck had similiar symptoms when mine went out.
03-09-2009, 07:05 PM
Fuel pump relay ma'am, it could cause symptoms like these, and it's only $11.
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