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Showing results for tags 'low rpm'.
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I recently picked up a 95 Impreza L coupe with an EJ18. From idle to ~2500rpm it hesitates, jerks, and misses. Once it is above that rpm range, it runs great. I have searched threads for two weeks and tried multiple "standard fixes" with no results. I'm tired of throwing parts at it and Any help would be appreciated. So far I've checked the plugs (newish but looks lean), repl wires, repl fuel filter, repl throttle position sensor. This engine does not have a knock sensor (not that I could find anyway). -
My car normally rumbles all the time, like a fast swaying feeling. It's not a noise, it's what I feel when I'm sitting inside. It is fine when I drive. It's usually fine when I stop. It normally idles at about 800 - 900 rpm's, sometimes 500 rpm's. Recently it's been doing it worse, but chooses when to. Today it was fine. It seems like letting it sit without driving makes it occur, say 1-2 days. It lasted for at least half of my drive if not more. I went to O'Reilley's and the guy there was stumped more than me. It almost felt like it was misfiring a few days ago, like one of the cylinders wasn't turning fully and that the ratio was off. It scared me when the rpm's went all the way down to the first white line, very low, and it was swaying a lot more than I'm used to. It got worse if I accelerated in neutral; it would come down and low-rev shake more. It made me feel like it had 6 months or so until that shaking turns into an engine that just stops running out of no where. Ideas: Throttle wire tension not to spec, Spark plugs, vacuum leak, EGR, timing. Note: MPG Perfect I checked the MPG twice in a row. It's still 27 mpg (Perfect, to spec). In fact it's 27.09 MPG going 80 MPH - 90 MPH, and 27.11 MPG going 75 MPH. I use 89 sometimes, but mostly 91. (92 requirement). I never use 87 and never will. Note: No Check Engine Light Any other 6 cylinder subaru owners with similar problems? 2002 Subaru Outback H6 3.0 VDC Sedan - Engine: EZ30D If you can give me some help in narrowing down the issue I would appreciate it greatly. Thank you!