I have a 2000 Saturn LS1 and I've noticed that in the morning when I start it cold (it's about 20 degrees F here now) when I turn the key to the "on" position, but not to "start" right away, it makes sort of a groaning noise for about 2 seconds. I assume that it's just the fuel pump or something priming itself, but is it bad that it's that loud? I've heard people say it's better to do that in the winter because it lets the engine prime itself before it tries to start it. Anyone have info on this?
I always use 5w30 if that makes a difference.
2007-12-01 04:09:18 · 6 answers · asked by The Jesus 5 in Cars & Transportation ➔ Maintenance & Repairs
All mechanical have to work harder when they're cold. Metal shrinks so tolerances increase. I moan a bit when I first get started on a cold morning too but there really isn't anything wrong with me except the joints are stiff and don't move quite as freely. lol Same with your fuel pump. So long as it works I wouldn't be too concerned.
2007-12-01 04:25:11 · answer #1 · answered by mustanger 7 · 0⤊ 0⤋
If you haven't started trying to start it when it makes this noise, when you first turn the key on the fuel pump will pressurize the system, if the computer does not receive an indication from the engine that it has started turning over within 3 seconds it will automatically shut off. it sounds like (past experience), when your fuel filter is starting to get plugged up your pump will make more noise than usual, see when the last time your fuel filter was changed
good luck
2007-12-01 04:31:05 · answer #2 · answered by John D 2 · 0⤊ 0⤋
Several systems engage when you turn on the ignition. It sounds like something is struggling when it's cold, probably from a moisture build up. If it was the fuel pump, it would come from where the fuel tank is. If it is coming from the engine compartment, it is something else. If it is coming from the stereo, it's most certainly country music :)
2007-12-01 04:36:26 · answer #3 · answered by xmozzazx 1 · 0⤊ 0⤋
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2016-10-18 11:53:06 · answer #4 · answered by ? 4 · 0⤊ 0⤋
the fuel pump..
the louder it is the wear the pump has,
yes, better in the winter..
2007-12-01 04:50:25 · answer #5 · answered by Anonymous · 1⤊ 0⤋
well you are right on that note, it takes time for the car to warm up in the winter because of the cold temperature. if you don't take the time to wait for the car to warm up, it will break down on you.
2007-12-01 12:53:50 · answer #6 · answered by raydays91 1 · 0⤊ 1⤋