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I only post this cause mine would die at idle and we try everything to fix it, new spark plugs, new spark plug wires, distributor, cleaned idle sensor, even a new computer. If you have a manual there appears to be a ghost with the computer and you sometimes need to replace the neutral switch to fix that... This post may have nothing to do with yours, just wanted to throw it in (in case you try everything like I did).

Anything?

I have wanted to add heated mirrors to my outback for some time now. I was wondering how easy and what you have to do to install them on a 1999 Subaru Legacy Outback. It’s one of the base models but it does have power mirrors (not sure if that matters). I have searched through the webs and several forums and cant confirm if its possible or not. Some forums state you have to run the wires others say the wires are there and I just need to add the switch. Has anyone tried this? Anyone have a place I can look for more info? Appreciate your help.

Well I have an extra ECU if you think you need to swap that out. PM me if you need it.

I had something like that with my 99 Subaru. Its a manual and I thought that was the only year that the neutral switch caused that. But yes that switch will make it run rough. I believe it engages the ECU's "Limp Mode" which causes rough idling. In my case my car would just die when I put the clutch down. I didnt want to believe the message boards for the switch since it seemed way off. We swapped the idle sensor and cleaned that area along with the ECU and it still was there. Swapped the switch and the problem went away. Grrrrr

Umm its a Subaru What would be catastrophic engine failure on another car is a minor annoyance for a Subaru? Not sure... I asked this question a lot.

I am in the same exact boat. Never had a problem with overheating but I drove from San Diago to Colorado Springs. It started overheating in Nevada when I idled (Stoped in traffic/stop lights/etc). It has a nice little bubble to it and it seems when I step on the accelerator it puts enough force to the water pump to move the coolant again and it cools down. Mechanic said head gasket and that is being replaced this week uck... Engine is at 175K and the headgasket was replaced before I got it (140K was when I purchased it). I have had random misfires since I got it and I think I have been skirting a headgasket repair all this time. I am hoping it doesnt bubble when we replace the headgasket...

I fixed my post. We swapped the valve and that didnt fix it. The fix was actually replacing the completely unrelated neutral switch. Seems like its a issue on some of the manual transmissions of that generation. Symptoms include P1507 Error, poor idling and when the engine dies and you restart it a huge loss of power (Limp Mode), restarting the car returns it to normal. I hope that clears things up. Sorry again for posting about the wrong part switch.

Idle issue fixed... Two weeks no problems. I will post a reply if that changes. SOOOOO for those with the P1507 Error and you have a 99 Subaru Outback and replacing the idle valve/sensor doesnt fix it, swap the neutral switch.

Ok swapped out the spark wires and checked the plugs. Plugs are good. Swapped out the ECM and it the gremlin is still there. Going to try swapping out that idle sensor next week.

Replaced the valve and cleaned it all. Still throwing the code and it still isnt idling right.

Only codes is the P1507 Error for the Idle and every couple of months a Cylinder 1 and 2 Misfire. And I know for sure I swapped the belt for the timing belt but I will have to check on everything else.

Timing belt was replaced last year. When you say coil are we talking about the thing on the top of the engine were the 4 spark plug wires are connected to? If so ya we swapped it and it seemed to me as it wasnt dieing as much but it did die for the mechanic. Side note the car doesnt really idle ruff it kinda just dies like it was falling asleep... It only ruff on restart sometimes and that appears when Cylinder 1 and 2 are not running. But it is not throwing any codes for that.

Spark Plugs replaced a year ago, but they are cheap and maybe replacing them again is a good idea. The wires have not been replaced since I have owned the car (4 years?) so I can replace those also. Would that make the car throw that idle error?

Just curious to see what you all think about the problem I am having with my Subaru. Background has about 170000 Miles, every 2-3 months throws a missfire for cylinders 1 and 2 but other than that runs fine. Since November it has been throwing a a P1507 code but I really didnt notice any problems with it idling. Later that month (or early December) the car would sometimes die when I put the clutch down, usually exiting the interstate or going down a hill. I could easliy restart it and everything would be fine and dandy. Occasionally however on the restart it would idle REALLY ruff. Well its January now and while the issue used to be maybe once a week it now occurs pretty much daily so I decided to take it in to get it fixed and have the idle sensor replaced as that is what I thought the cause was. When testing it we discovered that the ruff idle it sometimes had was cylinder 1 and 2 just not running (Removed spark wires for cylinder 1 and 2 didnt change how the engine performed)... We replaced the distributor coil and while I drove the car it seemed to sometimes idle low but didnt die (drove it for about a week) after replacing that coil. The ohms on the coil, and spark wires seemed fine. So we replaced the idle sensor but it still throws the code and occasionally on restarts cylinder 1 and 2 stop working (but if you restart it it works just fine). Engine compression is good and the air flow sensor is also working fine. Sooooo so far we have replaced the distributor coil, idle sensor, and are now looking at possibly swapping the computer (ECM?) of the subaru to see if that helps. So far I have not been charged for parts just labor as we are experimenting. Soo if you got this far reading that what do you think? There appears to be a forum posting if you google the error code about replacing a the neutral switch? Dont think that relates to this but what do I know.