Idle issue? - Page 14 - Toyota GR86, 86, FR-S and Subaru BRZ Forum & Owners Community

Hawaiian · 06-13-2012, 06:47 PM

Or one faulty valve that threw off the other when it failed.

yayforaddison · 06-13-2012, 07:21 PM

It's really just a guessing game from here as well. I'm curious to know if I save the same problem as Whiteout-frs, and I'm itching to find out this weekend.

motofan · 06-13-2012, 11:25 PM

I get another drive with my friend's FR-S AT. If I put the car in Neutral, rev the engine up and let it settle, rpm can go to 500 ~ 600. I tried a couple of times, it always does that. But I don't feel particular engine vibration as if it is about to die. If I pull to D from 600 rpm, with brake pressed, the rev drops to about 400 as the engine takes the load and quickly goes up to about 600 ~ 700.

BTW, the fuel is about 50/50 mix of dealer fuel and shell 92.

ahausheer · 06-13-2012, 11:34 PM

Other members on a separate thread are reporting factory oil levels that are significantly overfilled (per their measurement). Anyone having idle/rpm issues should check their oil level. Id be surprised if there is a correlation but stranger things have happened. Also I was wondering if the oil is way overfilled if that could somehow affect the cam timing mechanism?

ichitaka05 · 06-13-2012, 11:37 PM

Quote:

Originally Posted by ahausheer

Other members on a separate thread are reporting factory oil levels that are significantly overfilled (per their measurement). Anyone having idle/rpm issues should check their oil level. Id be surprised if there is a correlation but stranger things have happened. Also I was wondering if the oil is way overfilled if that could somehow affect the cam timing mechanism?

Overfilled oil shouldn't cause the weird idle... well, I haven't heard bout it.

Lonewolf · 06-14-2012, 12:23 AM

Quote:

Originally Posted by ahausheer

Other members on a separate thread are reporting factory oil levels that are significantly overfilled (per their measurement). Anyone having idle/rpm issues should check their oil level. Id be surprised if there is a correlation but stranger things have happened. Also I was wondering if the oil is way overfilled if that could somehow affect the cam timing mechanism?

Aren't the oil levels checked during PDI, so wouldn't they catch it then?

blu_ · 06-14-2012, 12:40 AM

lol PDI.

Mine seems overfilled as well. I just assumed they wouldn't f that up from the factory.

blu_ · 06-14-2012, 12:51 AM

Quote:

Originally Posted by ichitaka05

That's not fully true on "rough" part. Current boxer engine is pretty smooth... & we're talking bout stock boxer engine, they're pretty smooth than some of inline engines.

BUT I do agree w other stuff. Don't need to freak out if you never had idle issue or never stalled on you.

IDK, I didn't think the new Impreza 2L was very smooth when I had it for a loaner briefly. And my 07 STI had "hiccups" at idle.

FRSCoupe · 06-14-2012, 12:53 AM

Fuji Heavy Industries apparently doesn't care about overfilling, little moisture and panel fitment..

ahausheer · 06-14-2012, 12:55 AM

Quote:

Originally Posted by ichitaka05

Overfilled oil shouldn't cause the weird idle... well, I haven't heard bout it.

Could overfilled oil cause issues with cam timing since it controlled with oil pressure? sorry to get off topic.

ichitaka05 · 06-14-2012, 01:06 AM

Quote:

Originally Posted by blu_

IDK, I didn't think the new Impreza 2L was very smooth when I had it for a loaner briefly. And my 07 STI had "hiccups" at idle.

2L? Oh FB20 engine Impreza? Huh, I haven't driven one, so I can't answer that one. I've driven on EJ series ones (both NA & turbo)

As for STI or WRX is different story. GOD, those things get so much hiccups. I've never driven any STI or WRX that didn't have hiccups. As for my Impreza (RS), I have never have hiccups. Of course, it has a lot of mods to make it hiccup free, but when I'm at the stop light, my RPM never moves.

Quote:

Originally Posted by ahausheer

Could overfilled oil cause issues with cam timing since it controlled with oil pressure? sorry to get off topic.

Hm... overfilled oil for boxer main problem is sucking into intake and will have fun w full white smoke LOL

Maybe it is overfilled oil... maybe not. We'll wait & see other member's report on the cause of this idle problem

blu_ · 06-14-2012, 01:36 AM

Quote:

Originally Posted by ichitaka05

2L? Oh FB20 engine Impreza? Huh, I haven't driven one, so I can't answer that one. I've driven on EJ series ones (both NA & turbo)

As for STI or WRX is different story. GOD, those things get so much hiccups. I've never driven any STI or WRX that didn't have hiccups. As for my Impreza (RS), I have never have hiccups. Of course, it has a lot of mods to make it hiccup free, but when I'm at the stop light, my RPM never moves.

My Brz kinda reminds me of how my STi idled. It feels like it almost misses every once in a while, but it definitely isnt shaking violently and about to stall. I havent been worried about it so far.

ahausheer · 06-14-2012, 10:11 AM

Quote:

Originally Posted by Lonewolf

Aren't the oil levels checked during PDI, so wouldn't they catch it then?

Because the people at the dealer who do PDI don't give a shit. They dont check half the stuff they are supposed to.

ichitaka05 · 06-14-2012, 10:17 AM

Quote:

Originally Posted by ahausheer

Because the people at the dealer who do PDI don't give a shit. They dont check half the stuff they are supposed to.

Hey, hey, hey! Correction "some" dealers!

My friend work at local Honda dealer & he checks all the required stuff for all new cars that comes in.

06-13-2012, 11:34 PM	#186
ahausheer Re-member Join Date: Nov 2011 Drives: Toyota camry Location: S. Cali Posts: 1,001 Thanks: 98 Thanked 292 Times in 152 Posts Mentioned: 2 Post(s)	Other members on a separate thread are reporting factory oil levels that are significantly overfilled (per their measurement). Anyone having idle/rpm issues should check their oil level. Id be surprised if there is a correlation but stranger things have happened. Also I was wondering if the oil is way overfilled if that could somehow affect the cam timing mechanism? __________________ Nothing decays like progress, and nothing preserves like neglect.

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06-13-2012, 06:47 PM	#183
Hawaiian That guy Join Date: Feb 2012 Drives: Ultramarine mt FR-S Location: chicago Posts: 2,370 Thanks: 692 Thanked 1,389 Times in 730 Posts Mentioned: 71 Post(s)	Or one faulty valve that threw off the other when it failed.

06-13-2012, 07:21 PM	#184
yayforaddison Senior Member Join Date: Jul 2011 Drives: Whiteout FR-S Location: Louisville, KY Posts: 344 Thanks: 95 Thanked 52 Times in 29 Posts Mentioned: 0 Post(s)	It's really just a guessing game from here as well. I'm curious to know if I save the same problem as Whiteout-frs, and I'm itching to find out this weekend.

06-13-2012, 11:25 PM	#185
motofan Senior Member Join Date: Jun 2012 Drives: 10 VW GTI Location: Oregon Posts: 156 Thanks: 15 Thanked 25 Times in 20 Posts Mentioned: 0 Post(s)	I get another drive with my friend's FR-S AT. If I put the car in Neutral, rev the engine up and let it settle, rpm can go to 500 ~ 600. I tried a couple of times, it always does that. But I don't feel particular engine vibration as if it is about to die. If I pull to D from 600 rpm, with brake pressed, the rev drops to about 400 as the engine takes the load and quickly goes up to about 600 ~ 700. BTW, the fuel is about 50/50 mix of dealer fuel and shell 92.

06-14-2012, 12:40 AM	#189
blu_ Senior Member Join Date: Mar 2012 Drives: SWP BRZ LTD Location: Portland, OR Posts: 889 Thanks: 637 Thanked 170 Times in 106 Posts Mentioned: 5 Post(s)	lol PDI. Mine seems overfilled as well. I just assumed they wouldn't f that up from the factory.

06-14-2012, 12:53 AM	#191
FRSCoupe Member Join Date: Jun 2012 Drives: Toyota Location: SF Bay Area CA Posts: 72 Thanks: 6 Thanked 14 Times in 10 Posts Mentioned: 0 Post(s)	Fuji Heavy Industries apparently doesn't care about overfilling, little moisture and panel fitment..

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