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View Poll Results: Have you had an issue with your Direct Injection System?
I have had a DI issue and was fixed under warranty (Subaru) 5 9.80%
I had a DI issue that caused Engine Failure and was fixed under warranty (Subaru) 2 3.92%
I have had a DI issue and was fixed under warranty (Toyota) 25 49.02%
I have had a DI issue that caused Engine Failure and was fixed under warranty (Toyota) 2 3.92%
I have had a DI issue and denied warranty by (Subaru) 5 9.80%
I have had a DI issue and denied warranty by (Toyota) 6 11.76%
I had a DI issue that caused Engine Failure and was Denied warranty (Subaru) 4 7.84%
I had a DI issue that caused Engine Failure and was Denied warranty (Toyota) 2 3.92%
Voters: 51. You may not vote on this poll

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Old 06-05-2013, 11:40 AM   #1
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Post Direct Injector Failure Poll

Ok guys, well as we all know the direct injectors on our cars does are not taking the heat well. My engine died at 4,000 miles and got replaced under warranty. I know of a couple more engine failures out there and many injector problems. I wanted to post this thread to see how many of us are having Direct Injection issues with our cars since some people are getting warranties denied or manufacturers are ignoring the issue. It would also be great to post and describe your issue below.


Here is the document from my dealer when they replaced the engine clearly stating a direct injector as the root of the problem. Makes sense, injector fails piston gets hot and boom you have a hole in there.

If you have not had an issue, please dont vote! I do encourage anybody that has had a DI issue to vote as we are trying to get as much info to have this issue fixed by Toyota and Subaru.


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Old 06-05-2013, 11:43 AM   #2
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A poll thread, without a poll. Well played....
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Old 06-05-2013, 11:44 AM   #3
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Same stock motor, gone through 2 different DI's now. Probably only a matter of time until engine detonation happens with me as well.
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Old 06-05-2013, 11:48 AM   #4
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A poll thread, without a poll. Well played....
Takes time to update bud
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Old 06-05-2013, 11:50 AM   #5
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Takes time to update bud
I know, just messin with ya. Bored at lunch.
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Old 06-05-2013, 11:54 AM   #6
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How do I vote for multiple incidents that were handled differently?
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Old 06-05-2013, 12:02 PM   #7
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Do we need another poll option?

"I don't yet know if I have the DI issue"
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Old 06-05-2013, 12:07 PM   #8
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Or a choice for "my car has the starting symptoms of DI failure (popping, backfire, etc)
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Old 06-05-2013, 12:09 PM   #9
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Or a choice for "my car has the starting symptoms of DI failure (popping, backfire, etc)
If you are experiencing those symptoms then your Injectors are already damaged.
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Old 06-05-2013, 12:29 PM   #10
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Or a choice for "my car has the starting symptoms of DI failure (popping, backfire, etc)
Could a mod ad this option please
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Old 06-05-2013, 12:34 PM   #11
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Anyone that votes please either PM me or post here, I will be messaging people will a small (2-3 minute) survey and will be gathering info on this to see if there is maybe a common item. If anyone knows who all has had this issue mine posting up their user names so I can contact them.
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Old 06-05-2013, 12:54 PM   #12
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Quote:
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If you are experiencing those symptoms then your Injectors are already damaged.
Except my car only does it sometimes. And the dealer couldn't reproduce the problem at the time so they did nothing. I have been babying the car lately on daily drives (raining a lot here lately) and it hasn't really been acting up. Maybe I need to do some "spirited driving" and see if I can get it going again.
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Old 06-05-2013, 12:58 PM   #13
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Except my car only does it sometimes. And the dealer couldn't reproduce the problem at the time so they did nothing. I have been babying the car lately on daily drives (raining a lot here lately) and it hasn't really been acting up. Maybe I need to do some "spirited driving" and see if I can get it going again.
Dammit, when will it stop raining??? Not one sunny day in two weeks!
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Old 06-05-2013, 01:09 PM   #14
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This one is new's to me, haven't heard of this issue. I honestly thought all the major issues had been tended to....

Only issue's I've had is the passenger side window squeaked a couple times when it was dirty (normal), and the crickets that the dealer's can't pick up, i think its just normal, its not very loud so it doesn't bother me anymore only does it every so often and when it does there really quiet so i don't hear them unless i turn the radio off. I had the taillight condensation issue in both taillights, but that has been fixed.
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Old 06-05-2013, 01:19 PM   #15
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OK, I haven't checked my injectors yet but I am getting some backfiring/popping between aggressive shifts occasionally on my BRZ w/ AVO Stage 1 turbo kit. During my major cam issues and an idle stall/shudder event, I did throw a P0300 misfire, but it hasn't done it again since the cam repairs and I have not thrown a single code since then.

Is the slight popping/backfiring between shifts normal with a high-flow cat and engine back exhaust, or should I start worrying about replacing injectors etc?
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Old 06-05-2013, 01:30 PM   #16
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Is there any correlation to VIN#s or manufacture dates?

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Is the slight popping/backfiring between shifts normal with a high-flow cat and engine back exhaust, or should I start worrying about replacing injectors etc?
Some backfiring popping from the exhaust on throttle/RPM transition is not a sign of preignition/knock/ping/detonation, especially with aftermarket exhaust, FI, tuning, etc.
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Old 06-05-2013, 01:33 PM   #17
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OK, I haven't checked my injectors yet but I am getting some backfiring/popping between aggressive shifts occasionally on my BRZ w/ AVO Stage 1 turbo kit. During my major cam issues and an idle stall/shudder event, I did throw a P0300 misfire, but it hasn't done it again since the cam repairs and I have not thrown a single code since then.

Is the slight popping/backfiring between shifts normal with a high-flow cat and engine back exhaust, or should I start worrying about replacing injectors etc?
Im all stock and experience it rarely. Its not a pleasant sound either, Is yours a muffled single pop coming straight from under the car?
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Old 06-05-2013, 01:49 PM   #18
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Quote:
Originally Posted by vubaru View Post
OK, I haven't checked my injectors yet but I am getting some backfiring/popping between aggressive shifts occasionally on my BRZ w/ AVO Stage 1 turbo kit. During my major cam issues and an idle stall/shudder event, I did throw a P0300 misfire, but it hasn't done it again since the cam repairs and I have not thrown a single code since then.

Is the slight popping/backfiring between shifts normal with a high-flow cat and engine back exhaust, or should I start worrying about replacing injectors etc?
When you are turbo and have a vented to atmosphere BOV and it is post MAF sensor like the AVO kit, you will be RICH on shifts (lift gas pedal BOV dumps metered air to atmosphere gas is left in the cylinder to be burned), and thus the unburned fuel will backfire and pop in the exhaust. That has nothing to do with this issue.
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Old 06-05-2013, 01:50 PM   #19
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My VIN is **2379 (BRZ).

@wheelhaus, thanks for the response all the injector failure threads are making me paranoid.

@Carwhisperer, we may be experiencing different things but I don't know. The main analogy I can make is to my old 2.5 RS which had headerback exhaust with Borla UEL's, under shifting there is a slight burble or rasp, or occasionally a single muffled pop as you describe between shifts (mostly when driving aggressively). But no CEL's or DTC's when it occurs and my Ecutek logs do not show me running lean...if anything Paul says I'm running rich.

@Sportsguy83 David I have a full recirc BOV, but you are correct that Paul has advised I am running a bit rich. I suspected this was unburned fuel but again, am just paranoid and better safe than sorry!

After the misfires I'm still a bit concerned but I'll just monitor and keep an eye on it.
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Old 06-05-2013, 01:52 PM   #20
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Quote:
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@Sportsguy83 David I have a full recirc BOV, but you are correct that Paul has advised I am running a bit rich. I suspected this was unburned fuel but again, am just paranoid and better safe than sorry!

After the misfires I still feel like the best practice would be to check plugs and the injectors so I better have someone do that just in case...
I have the AVO BOV set 50/50 to vent and you can hear the pop on most shifts, but its unburned fuel, you are probably getting something very similar.
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Old 06-05-2013, 02:13 PM   #21
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poll!!!! yeah like others said we need "don't have issue yet!" on choices
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Old 06-05-2013, 02:24 PM   #22
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I've heard the popping from directly under neath the car (almost right below my butt it feels like) but I have not thrown any codes yet and it's only happened twice. I'm waiting for the injector tune fix from FA20club to see if it happens after I flash the update.

Running slighlty modded. FA20club CAI and Tune.

VIN # *******5563
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