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Old 02-29-2008, 11:39 PM   #1
ShoeyImpreza1986
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Member#: 64669
Join Date: Jun 2004
Chapter/Region: NESIC
Location: Maine
Vehicle:
1993 Impreza L
Green

Question engine noises + problems, maybe oil related, Help Please!

My car: '93 impreza FWD 5sp with 185,900 miles

Ok so here's the deal. I work in portland, me during the week, but drive to danvers, ma (north of boston) almost every weekend to live with my g/f, about 90 miles one way.

Anyways tonight I was driving down I95 when my car felt sluggish and jerked/bucked a little when I was starting up from a stop but at low RPM's in each gear. I'm almost positive it did it in every gear, although not positive. I didn't think much of it at the time. The next thing to happen was when I was coming to a toll booth and as the RPM's were slowing down there was a loud screeching sounds like the sounds of your fingernails on a chalkboard screeching.

So I stop at a rest stop and shut it off to give it a break. Come back in a few mins to check to oil since I was planning on changing it this week. Oil was quite low so I added more and checked the level and started it up. Same kind of screeching noise plus it sounded there was a large slurping noise (i'm guessing the oil pump was sucking up air) when I opened the throttle a little bit. The noises was definitely variant on the engine speed. I initially thought it was the belt, but it didn't sound like it was coming from the front and also wasn't that type of squeeking/screeching.

Anyways I made it to my g/f's and am changing the oil tomorrow. Temperature was also in the teens/twentys yesterday and today/tonight so I'm wondering if that has anything to do with it.

Overall, jerking/bucking at low RPM's, screeching noise, low on oil > slurping noise, what's wrong?

Anyone have any idea what could be causing this? Will an oil change help it go away or does anything there is something more complicated wrong with my engine?
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Last edited by ShoeyImpreza1986; 03-01-2008 at 08:35 AM.
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Old 03-01-2008, 09:03 AM   #2
ShoeyImpreza1986
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Member#: 64669
Join Date: Jun 2004
Chapter/Region: NESIC
Location: Maine
Vehicle:
1993 Impreza L
Green

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bump/does anyone have any helpful input on what could be causing this? Or does anyone need any more information about it?
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Old 03-01-2008, 09:24 AM   #3
flstffxe
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Join Date: Jul 2007
Location: Coon Rapids, MN
Vehicle:
2008 Forester
Steel Silver

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the screeching and sluggishness could be signs the engine was close to seizing due to the low oil(depending on how low) causing it to overheat. When you drain the oil I would look in the oil to see if it has a glimmer of fine metal flake in it, maybe the start of a spun bearing. Also look at the coolant level. There is a good chance that the coolant level dropped down causing it to overheat, which could also increase the oil consumption. The coolant level being low can also make it so the temp gauge wouldn't indicate the car was overheating as the temp sensor needs to be immersed in coolant for it to read. Not enough coolant = you don't get a working gauge. Those would be your first places to look.
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