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11-10-2002, 01:14 AM | #1 |
Scooby Newbie
Member#: 27053
Join Date: Oct 2002
Location: Miami, FL
Vehicle:2002 Impreza OS Platinum Silver |
Knock after florring right away
I have a 2.5 2002 Impreza Outback with an Automatic. Ever when I stop on a stop sign and slam the accelerator right after braking i get a knock from the valves or cylinders. Im not sure, any advice on how to prevent that and is there something wrong with it or its just how the engine was designed. Thanks
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11-10-2002, 05:42 AM | #2 |
Scooby Guru
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Location: Carol Stream, IL
Vehicle:'01 GC8 Dinged STM '09 Concours 14 ABS Black |
it's tip in pinging, get used to it, everyone gets it around here, damn ethanol in our gas.
jeremy |
11-10-2002, 12:37 PM | #3 | |
Scooby Newbie
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11-11-2002, 02:56 AM | #4 | |
Scooby Guru
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Join Date: May 2001
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Vehicle:'01 GC8 Dinged STM '09 Concours 14 ABS Black |
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jeremy |
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11-11-2002, 09:53 AM | #5 |
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MAIC
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Vehicle:98 GM67 2 whls > 4 whls |
The engines are designed for the lower octane fuel, so I'd keep with things and put that in. In my mind, it can't HARM it if the engine is designed for it.
AJ |
11-11-2002, 10:40 AM | #6 |
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Vehicle:16 WRX (white) 04 FXT (red) |
It eliminated it when I switched to 93 from 87 or even 89, but my mileage suffered pretty harshly. I think during routine driving I couldn't even get 18mpg.
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11-11-2002, 11:38 AM | #7 |
Scooby Newbie
Member#: 27053
Join Date: Oct 2002
Location: Miami, FL
Vehicle:2002 Impreza OS Platinum Silver |
Thanks for the feedback. Since I have the car I am running 89 octane fuel, but I guess 1 step higher from what the manual sais is always better . Now that's an extremely dumb question. Which gas stations have the best fuel, in Illinois.
Maciek |
11-15-2002, 05:41 AM | #8 |
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Vehicle:2000 Forester S 4EAT Black |
I am not sure if you meant a "knock" or a "click" sound.
When you say "knock", I was thining there is a "engine ping". I suspect you are talking about the TDC's "power mode". TDC is Subaru's automatic AWD system's brain. When there is a sudden deep depression of the gas pedal, it kick into the power mode. And the ECU will override its normal fuel map. -Kendo. |
11-15-2002, 05:31 PM | #9 | |
Scooby Newbie
Member#: 27053
Join Date: Oct 2002
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11-15-2002, 07:38 PM | #10 |
Scooby Newbie
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Location: Rain City
Vehicle:2000 Impreza RS Blue ridge pearl |
http://forums.nasioc.com/forums/show...hreadid=274459
This was my thread on my engine knocking. Maybe its the same problem as mine??? Just a though. |
11-15-2002, 08:43 PM | #11 | |
Scooby Newbie
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