pdigiacinto

I have a 2003 Subaru H6 3.0l and the upper oil pan is leaking. Does the engine need to come out of the car to replace it? Thanks..

I purchased the SeaFoam and poured it through the PVC. I followed the instructions, make sure the car is warmed up and pout it in SLOWLY. Then, you let it sit for about 5 mins. I filled up the pvc hose after the car was turned off. This way, it drained into the engine. After the 5 mins was up, I started the car and drove it. It looks like a huge smoke cloud from the back (was kind of cool). This is normal. When it finally burned off, everything was back to normal. Iam going to do it one more time, then pour the recommended amount in the gas tank and oil. I have a feeling that is is going to work really well. I will keep everyone informed..

Thanks for the info and suggestions. Iam going to use the seafoam and pour it down my PVC for the carbon cleaning.. I will let you know how everything goes..

I wanted to know if anyone used the Sea-foam product http://www.seafoamsales.com/products.htm to clean carbon build-up from their engine? Also, it states that if you have a "Port" injected vehicle,to slowly pour it into the vacume line (Ie; brake booster, pvc valve, manafold vacume) to clean the carbon build-up. My 1993 Legacy has MPFI (Multi Point fuel Injection), would this apply to my car? Should I try and pour it into the vacume line going to the manafold? If so, does anyone know which vacume lines to use on this car? Thanks..

Your site is great, I had printed out the codes. The CEL does not blink when the wires are not connected. It only blinks when the wires are connected and the iginition is switched to ON. There are no codes stored in the computer at all. The last options for me is to replace the CATs I would think. iam going to run some of the CAT cleaner through the system and then run some of the carbon buildup cleaner through. Hopefully, this will cut down on the high level. What do you think would cause alot of gas pressure in the tank? purge valve bad?

It looks like the front CAT is original, but the rear cat has been replaced. I do not know when, since Iam the second owner. Should I replace both CATS? I noticed the first CAT has the Oxygen sensor (which I replaced two moths ago). I checked the computer and there are not any codes, the CEL just blinks 4 times, two second pause, then four more times and keeps repeating. I took off the Air Control Valve and cleaned the carbon off of it. I just replaced the plugs about a month ago. The old plugs looked fine, but the car was running terriable at that time. It was missing and hesitating very bad. What could make the plugs fail? After replacing the plugs, it runs perfect. This makes me think that the CAT's are clogged or needs to be replaced and are causing the car to run HOT? They do not smell nor sound like "rocks" inside. What do you think about the cAY cleaners they have on the market? I do not know if this is normal, but there is alot of pressure that is released when I unscrew the gas cap. Is this normal? Could the purge seloniod valve be faulty and will that cause pressure in the gas tank? I just replaced the thermostat the other day. I have noticed that on occasion driving at 55+ in cold weather, the temp would rise past the mid point. Then, if I would downshift or accelerate, the temp world drop past the midpoint. I thought the thermostat could have been stuck partically closed? We have the "treadmill" test here. I have a feeling it failed at higher RPM's because two years ago they just did a tailpipe test and the car passed (the tradmill was not working at the time). It looks like the Emissions pricing has gone up here in Maryland for failed autos. If you fail, you must show $450.00 work of receipts done to the vehicle relating to emissions. They started at $250 and keep going up and up!!

Iam going to use the HEET product. There are many to choose from. Would this be the one to use: Sure HEET Fuel Oil Conditioner? Or just the plain HEET? I want the one that has the most alchohol. Please check out the link:http://www.letsmow.com/gold.html Thanks,

Great, thanks. I will give it a try.. Keep your fingers crossed!!

Thanks for the suggestions. The NOx state level is about 2.xxxx and my car was 4.xxxxx. It was double the emount. I have a feeling the engine is running hot or pre dentionating. If so, how could that be resolved?

I have a 1993 Subaru Legacy L Wagon with 181,xxx miles on it. I took it for an emissions test today and it failed on the last reading. I have already done a tune-up, new plugs, wires, oxygen sensor on the car. The oil was just changed as well. Here are the readings: Oxides of Nitrogen (NOx): FAIL State Standards 2.2000 GPM Inspection Reading 4.01666 GPM What do you think could be the cause? Here are some things to look at (according to the emissions): Air to fuel mixture too lean Oxygen sensor not functioning properly Inproper EGR re-circulation Malfunction of engines spark advance Air intake temp too high Cooling system not functioning properly Corbon deposits on engine intake valves Catalytic converter partiallly clogged or not functionsing properly Here is what I have replaced in the past few months: Temp coolant sensor Oxygen Sensor I checked all the hoses and they are fine. The PVC is good. I ran some fuel injector cleaner about a month ago. I heard that the "Guaranteed to pass" that they sell in the auto parts store cleans out the fuel and intake system. Is that true? Does anyone else have any suggestions? I have read over the previous posts about emissions. Iam guessing the car is running hot. The temp gauage is normal, but the fans always run constantly. Should I replace the thermastat? Could the cat be bad? Or, too much carbon buildup? I would think that is the cats were bad and the car was running fine, it would still pass. Thanks

Thanks for all the information.. Looks good..