yuba49r Posted December 10, 2008 Share Posted December 10, 2008 Hey there folks, I bought a 01 Forester for my wife, it ran fine, with no CEL when I test drove it about 50 miles before I bought it. It had 131k miles on it, it's an L 5spd. A no frills grocery getter. Now, it keeps giving me this code, the car is idling normally at start up, around 68 degrees from the data I pulled from OBD 2. I called my mechanic, and he said to check for corrosion around the plug wires, there isn't any. So, he thinks it may be a tight valve, something that should have been done at 105k. So, this is the next project, right after he finishes my 86 GL Wagon. I'm jonesing to have it back, I love that car, with the dual range 4wd. I live in the hills, and it gets me out where I want to get, winter or summer, when other people can't leave home, lol. Anyone have any other things it could be for me to bounce off my mechanic, let me know. Peace Quote Link to comment Share on other sites More sharing options...
98obster Posted December 10, 2008 Share Posted December 10, 2008 new wires (OE) and NGK plugs all around to start. unless you just did that and still get the code then I don't know at the moment. Quote Link to comment Share on other sites More sharing options...
howards11 Posted December 10, 2008 Share Posted December 10, 2008 (edited) YUBA49R: This past summer I think I had the same code among a few others on my 2000 Forester. At one point the CEL was not only on but it was flashing at me. It required new spark plug wires, 2 plugs had to be cleaned because they fouled and the ignition coil had to be replaced. Are you getting any backfiring ? ~Howard Edited December 10, 2008 by howards11 Quote Link to comment Share on other sites More sharing options...
bheinen74 Posted December 10, 2008 Share Posted December 10, 2008 a tight valve huh? get another opinion Quote Link to comment Share on other sites More sharing options...
Downbound Posted December 10, 2008 Share Posted December 10, 2008 99 Forester: I had a similar situation with a P0303 code. Did all the plugs, wires, injectors etc. and was still getting the code. Got a tip on here about doing the dollar bill test on the exhaust to check for a burnt exhaust valve. Start the car and hold a dollar bill over the tail pipe about 1/4 inch away..It should just flutter but if it alternatly gets sucked into then pushed out of the tail pipe it could be a burnt exhaust valave. That is what my problem turned out to be. A compression test would also let you know if there is anything else going on in there. Good luck Quote Link to comment Share on other sites More sharing options...
unibrook Posted December 10, 2008 Share Posted December 10, 2008 If your front O2 sensor has not been replaced in the last 40k miles, I will bet that is the problem. It was for me, same car. Quote Link to comment Share on other sites More sharing options...
nipper Posted December 10, 2008 Share Posted December 10, 2008 As with anything else that involves a miss fire, very first thing is a full tuneup, then go from there. nipper Quote Link to comment Share on other sites More sharing options...
idosubaru Posted December 10, 2008 Share Posted December 10, 2008 cylinder misfires are usually just plugs and wires. either they need replaced or after market wires and non-NGK plugs were used. not all subaru's are like this, but your engine is - stick with Subaru only wires and NGK plugs. Quote Link to comment Share on other sites More sharing options...
yuba49r Posted December 11, 2008 Author Share Posted December 11, 2008 Thanks for all the replies, I'm not getting any backfiring issues, no missing at all that I can tell, it does idle a little rough at first start. It smooths out after the warm up. I plan on getting it all checked out, asap. Right now, my 86 GL wagon is getting fixed, I miss it. Peace, for now. I'll keep you posted. Quote Link to comment Share on other sites More sharing options...
EVOthis Posted December 12, 2008 Share Posted December 12, 2008 also...not very likely but check the connectors for the fuel injectors are plugged into the correct injector...chased a misfire for months only to find this was the cause....i guess with such a problem one can overlook the simple things....lol Quote Link to comment Share on other sites More sharing options...
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