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16 Posts
Hey there ClubWRX! New to the forum. So last night I was doing some mildly spirited driving (I've definitely worked the car harder) when I rolled up to a light and noticed a bad misfire. I pulled off the road and let the car cool down for about 10 minutes or so. When I started it again I had a code PO304 and COBB code PFFE. I cleared the codes with my AP and the code never came back. At first I expected the dreaded ringland failure, but after doing some reading on some of these forums I have an action plan on what I'm going to try today. First I'm going to switch the #4 and #3 coil packs to see if the issue follows the coil packs. I'm also planning on running some seafoam through the motor, cleaning the MAF, cleaning all of my grounds, possibly changing the plugs, things like that. I guess my question is, anybody have any other suggestions? I know I should be compression testing the motor but honestly I'm a little scared to :shakehead:
Another thing I wanted to ask about- while troubleshooting a boost issue (car isn't hitting target boost like it was) I noticed that the car has a Blitz SBC boost control valve on it but I haven't seen the actual boost controller inside...do people put just the aftermarket valve in there? Seems odd to me.
Car is a 2004 STi, cobb stage 2. Weather is a little crappy up here in Northern IL but I'm gonna try to do as much as possible today. Thanks in advance!
Another thing I wanted to ask about- while troubleshooting a boost issue (car isn't hitting target boost like it was) I noticed that the car has a Blitz SBC boost control valve on it but I haven't seen the actual boost controller inside...do people put just the aftermarket valve in there? Seems odd to me.
Car is a 2004 STi, cobb stage 2. Weather is a little crappy up here in Northern IL but I'm gonna try to do as much as possible today. Thanks in advance!