Hey everyone. For the last year or so, I have been getting a P0420 code every 40-50 miles after clearing the codes. A lot of the time, it is accompanied by a P0302 code. A year ago, I replaced the plugs, hoping that was the culprit. The code/s persisted. I never once felt any of the misfires. 95% of the time the cel came on while on the highway with cruise control on. Finally I swapped coil packs on cylinders 2 and 4, two days ago. Well, I just drove 170 miles on a road trip, expecting a cel. Nothing. Wtf? How would swapping coil packs do anything else but give me a P0304, if it was a bad coil pack? Clips into the packs were both snug when removing. Lol I'm stumped on how that fixed BOTH codes.
If I've learned one thing by owning a turbo Subaru for a handful of years it's that sometimes **** just goes away on its own for no logical reason sometimes. Haha. It's what makes a Subaru a Subaru. For example, I bought another bugeye wagon last year. Has a VF39, bigger injectors, a few other misc things. Could drive around like nothing's wrong as long as you weren't pushing it, but would break up like crazy under boost. I did plugs, coil packs, fuel filter. Made a little improvement but still did the same thing in boost. One of the days up at Powercruise I was just looking at stuff trying to troubleshoot. One of the plugs was significantly whiter than the rest, looking like it wasn't getting enough fuel. I didn't "do" anything to the injectors other than literally touch the connectors (wiggle, squeeze together) and the injectors themselves (wiggle, jiggle, twist) and the next day I drove it it was boosting like crazy. On one hand it was awesome cuz the car was soooo much more fun to drive. But on the other hand it was super frustrating cuz I had zero sense of accomplishment or that mental ease of "yeah, that was definitely what was wrong and I fixed it". Haha. Still have no idea what was actually going on but it works now and that's all I know.
My car was doing that I spent way too long trying to figure it out replaced way too many unnecessary parts and finally brought it in to JM and they determined it had not one not two but three bad coil packs! It wasn't even driving that bad just when you would go WOT.
I mean, I'm not complaining about it fixing it. Like you said though, it would be nice to know why. Another random fix, if you guys remember my post a while back where I mentioned that my door adjar light wont go off? Well, yeah apparently swapping coil packs fixed THAT too. Silly Subaru, you're drunk. Go home
HEY! Don't say that! I'll sell her to @Krazylegz1485 before I ever think of junking her. We gotta keep these wagons rolling!
The first time the wife and I went "camping" back when we were dating we went to the USA Nationals at Cedar Lake in Wisconsin. I had a 97 Taurus wagon (which was surprisingly loaded with options and was actually a badass car, for what it was) and found an air mattress that fit perfectly between the wheel well humps in the back. Folded the rear seats down and moved the fronts as far forward as possible so even I could fit in there. It was pretty awesome. Wagons for life.
Welp, so much for "fixing the problem, both codes came back yesterday. Could a bad o2 sensor give false mis fire codes? I suppose it wouldn't be the same cylinder if that was true. Taurus SHO wagon would be pretty cool! I can't remember the dates, would that have been the Yamaha v6, or the 3.4 liter v8?
Are we like separated at birth or something? For the longest time that was my dream project car that never saw the light of day. 96-99 would've been the V8 years. Ironically "slower" than the Yamaha V6 cars, but they had frickin V8's! And sounded so sexy (personal opinion). I wanted so badly to do a V8 SHO swap into a wagon. At one point I actually bought a dead SHO for all the cool body pieces. Even found a set of absolutely mint chrome SHO wheels. Like every other project, it unfortunately never really left my head.
Haha seems that way! Growing up, a kid on my block had the Sho with the Yamaha in it. He put a lot of work into that motor, she was damn fast. Not so much work put into the exhaust, it was very loud lol.
