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Old 04-21-2015, 07:11 PM   #1
Wrongfire
Scooby Newbie
 
Member#: 355762
Join Date: May 2013
Chapter/Region: MWSOC
Vehicle:
1993 Impreza AWD
Maroon

Default 1993 NA Impreza idle and accel issues

Hey guys, I have a 93 NA Impreza, its been a great driving car but it has had a few issues. One of the Fuel relay wires behind the rear seat melted and I had to get that fixed..


Recently the car is idling odd, it doesn't die, its just rough, it dips and drops randomly. Accelerating under light throttle also feels weird, i feel very very slight drops in power and slight hiccups, but under normal acceleration it's fine, and at highway speeds I don't notice anything.

At first I thought I was just imagining things, pretending like there was a problem when there wasn't but it has gotten worse, the idle is the most telling aspect of it.


My car burns oil pretty bad, no idea if this has anything to do with this issue, but every couple of weeks I do have to add more oil. Otherwise things drive just fine and I would love to get this issue fixed so it can drive smooth again.
Spark plugs are new, Air filter is new, fuel filter is new, fuel relay is new


Thanks for reading, let me know if you have any ideas.
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Old 07-01-2015, 03:33 PM   #2
98wagoon
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Member#: 424668
Join Date: Jun 2015
Chapter/Region: VIC
Location: Vancouver
Vehicle:
1998 Impreza OS

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My 98 is having the exact same issue, did you ever find out what the problem was?
Thanks
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Old 07-02-2015, 12:28 AM   #3
Wrongfire
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Member#: 355762
Join Date: May 2013
Chapter/Region: MWSOC
Vehicle:
1993 Impreza AWD
Maroon

Default

Hey man, I havent figured it out. I was in a wreck too so ive got other issues to worry about now.
Ive heard that it could be a carbon buildup, intake clog, or something of that nature.

doesn't appear to be a fuel issue in my case.
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Old 07-02-2015, 12:50 AM   #4
98wagoon
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Member#: 424668
Join Date: Jun 2015
Chapter/Region: VIC
Location: Vancouver
Vehicle:
1998 Impreza OS

Default

No worries. Figured mine out. It was the MAF sensor. It was clogged. Thanks for the feedback.
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