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P0171 - Help Reading Freeze Frama Data - '05 Corolla CE
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taff
New User
Dec 27, 2022, 1:23 AM
Post #1 of 8
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P0171 - Help Reading Freeze Frama Data - '05 Corolla CE
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2005 Toyota Corolla CE - 1.8L 4 Cylinder - 206K Miles
About a month ago this code popped up but went away on its own after I was heading back from O'Reilly's with a new air filter. Changed the filter anyway, of course. Also cleaned the MAF sensor just in case. Changed the spark plugs while I was at it, not that I thought that was gonna fix it, was long overdue. She was fine for some time after all that...until recently.
Same code popped up a few days ago. I saw on the interwebs that extremely low temps can cause sensors to not act right. I live in Georgia and the outside temperature was in the low 20's F when this popped up and that during the day. It rarely goes that low here, even at night.
I haven't driven anywhere since then. She was running kind of rough and I was hoping once the weather got back to normal, maybe it would go away.
The pictures I took from my code reader of the freeze frame date are in a google photos album, link below. I have no idea how to interpret it and was hoping someone could help me. Thank you in advance! -Tiffany
https://photos.app.goo.gl/Jz3UdciwjfoD1FkCA
(This post was edited by taff on Dec 27, 2022, 1:33 AM)
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taff
New User
Dec 27, 2022, 5:03 AM
Post #3 of 8
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Re: P0171 - Help Reading Freeze Frama Data - '05 Corolla CE
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Hey, I can hope, right? But that also stems from my limited understanding of how cars work. I've been fixing my own car since I bought it in 2017. Before that it was just oil changes and stuff.
I'm a very honest person and it tends to make me look ignorant. But I do know what the code is and what the common causes are. I've done a lot of reading on it. I get overwhelmed, honestly.
I was still hoping someone could help me with the freeze frame data. I heard that can possibly help narrow things down. I only have 1 car. Not much time. Would rather do the work myself but can't afford to have her out of commission while I'm trying to figure it out. Thanks for the response though.
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Hammer Time
Ultimate Carjunky
/ Moderator
Dec 27, 2022, 5:11 AM
Post #4 of 8
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Re: P0171 - Help Reading Freeze Frama Data - '05 Corolla CE
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There is nothing in that data that will help you.
It only confirms that the computer was at maximum adjustment for the lean condition. Everything else was normal.
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We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.
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Tom Greenleaf
Ultimate Carjunky
/ Moderator
Dec 27, 2022, 8:01 AM
Post #5 of 8
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Re: P0171 - Help Reading Freeze Frama Data - '05 Corolla CE
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Take it for a long warm up drive. I read or see news it's colder than computer cars have been out there by millions of cars the most above I-80 USA.
Leave your phone or laptop out in that see how it does - so what's the surprise?
It's harder for cars that are not used every day hate to waste fuel but drive them just anyway,
Tom
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taff
New User
Dec 27, 2022, 8:39 AM
Post #6 of 8
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Re: P0171 - Help Reading Freeze Frama Data - '05 Corolla CE
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Gotchya. Was worth a shot I guess. Thanks anyway.
Kind of bummed because I am not sure how to find a vac leak. Might just have to take it to my mechanic. I do know a good guy but he is so freakin busy and hard to get a hold of sometimes.
If you feel like explaining if, feel free but I understand if it's a lot.
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Hammer Time
Ultimate Carjunky
/ Moderator
Dec 27, 2022, 8:44 AM
Post #7 of 8
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Re: P0171 - Help Reading Freeze Frama Data - '05 Corolla CE
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The way we find vacuum leaks is with a smoke test. We seal off the intake manifold and pump smoke into the vacuum system.
You can try the old school method of getting a can of flammable carb cleaner and spray it around suspect areas with the engine running and listen for the engine pitch to change. That method is not all that reliable though.
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We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.
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Tom Greenleaf
Ultimate Carjunky
/ Moderator
Dec 28, 2022, 12:17 AM
Post #8 of 8
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Re: P0171 - Help Reading Freeze Frama Data - '05 Corolla CE
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Side note is brand "GUMMOUT" IS NOT FLAMABLE others are - test and see on a paper in a safe place.
So leak testing if a real leak will stall an engine sometimes other types may raise idle speed?
It's the change that matters as Hammer said there should be none.
Pressure smoke test works best.
BTW great cars but anything can happen IMO on these from just messing with them you may replace plugs but wreck the wires doing that.
Stupid stuff can lead to the next problem. BTW it's an old car but do well with care,
Tom
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