Quote:
Originally Posted by Vis101
Vis101, Limited BRZ, 19,100 miles. I don't have my VIN right now, but I took receipt of my BRZ on June 4th, 2012. Tucson Subaru dealership.
Experienced a couple rough starts over the past 6 months but thought nothing of it. Then before Christmas I experienced the idle dip/hunting and rough idle while at a traffic light. Also got the blinking CEL. I was on my way to work and thankfully not far my the dealership. I kept the revs up at the few traffic lights I had to stop at and turned it in.
The dealership checked spark plugs, distributor, ECU, Compression, etc. Cylinder 2 was not firing and they could not start it back up after I dropped it off. It was the first time they saw this issue. The area engineers thought that since compression was still good, there may be an issue with the sensors on the faulty cylinder not being hit by the cams. Due to the holidays it took a while to get the spacers (shims) delivered and installed.
That solution failed to work and it appears that Cylinder 2 is not holding compression as it did before, which indicates that something may have broke off (what I don't know and am too sick be concerned with at the moment).
They have now placed an Engine R&R (remove & replace) request with the area rep. We'll see what happens. Either way, I will be at least another week without my BRZ though I don't mind if they are able to execute a thorough fix. I've said this elsewhere, but I've had great experience with Tucson Subaru so I'm not worried about being jacked around.
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After performing an engine tear down this week, the mechanics at the dealership identified a faulty exhaust spring in Cylinder #2 as the culprit, which explains the compression issue. Parts are on order and if all goes well, I should have my BRZ back by Tuesday. I'm now concerned about performing any modifications beyond a cat back exhaust till my warranty is up. As other forum members have posted, as soon as the dealer finds you've done any mods to the car, they tend to be quick at blaming the mods for the issues (right or wrong). My wallet will be happier as a result of abstaining from extensive exhaust and intake mods, but I'm not sure how many years I can hold out without doing so.