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Old 12-18-2012, 11:03 PM   #1
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idle problems

Okay so my car idles when in neutral and If I have the clutch in on first gear on a stop light. It goes from alittle under 1thousand rpm to 1500 then it goes almost all the way down and i feel as if it will turn off. What exactly is the maf sensor some people say its on the throttlebody but ive seen people say its the thing on the air flow filter? Please help
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Old 12-18-2012, 11:16 PM   #2
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Sounds like an IAC problem. Maybe try to clean it and see if that helps.
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Old 12-18-2012, 11:18 PM   #3
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Could you tell me where it's located at?
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Old 12-18-2012, 11:22 PM   #4
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The IAC is on the front of the throttle body with a hose going from it to the air intake.

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Old 12-18-2012, 11:32 PM   #5
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I cleaned that the other day with a maf cleaner and also part of the throttle body I'm taking the TB completely off tomorrow and cleaning it. But I though the iac was the maf? That's what confused me
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Old 12-18-2012, 11:34 PM   #6
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The MAF sensor is located right before the air filter.
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Old 12-18-2012, 11:37 PM   #7
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Okay there we go see some guy on YouTube did a video and got them backwards I'm guessing will it be safe to clean it?
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Old 12-18-2012, 11:40 PM   #8
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Should be safe to clean, though I've never needed to clean mine.
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Old 12-18-2012, 11:45 PM   #9
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Go to AutoZone, they sell a cleaner made just for the MAF!.. All you do is spray it down and let it sit and dry!... First time I used it I was surprised what a difference it made!..
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Old 12-18-2012, 11:49 PM   #10
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Will do! Thanks I'll be doing it tomorrow so I'll let you know how it went
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Old 12-18-2012, 11:56 PM   #11
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Sounds good. Hope it fixes your problem.
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Old 12-18-2012, 11:58 PM   #12
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Thanks I do too! It drives me crazy
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Old 12-19-2012, 07:08 PM   #13
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So I got myself in trouble I was taking off the screw and it broke now only part of it shows up and I can't get it out I tried vice grips but the Damn thing won't come out what should I do
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Old 12-19-2012, 08:18 PM   #14
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The screw broke? Use an easy out
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Old 12-19-2012, 08:28 PM   #15
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Yes it was very tight and I used all force and it came off what's that lol
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Old 12-19-2012, 08:31 PM   #16
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Yes it was very tight and I used all force and it came off what's that lol
Not try to be a d!ck but you sure you screwed the right way? Lol but if you can't get ahold of it with needle nose vise grips then use an easy out. You can also drill the screw out with a drill bit. Next time spray a little pb blaster or wd40. Sorry that happened to you man. Bolts can be a real b!tch to get out. I've broke my fair share haha
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Old 12-19-2012, 08:38 PM   #17
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Not try to be a d!ck but you sure you screwed the right way? Lol but if you can't get ahold of it with needle nose vise grips then use an easy out. You can also drill the screw out with a drill bit. Next time spray a little pb blaster or wd40. Sorry that happened to you man. Bolts can be a real b!tch to get out. I've broke my fair share haha
Hahaha no man I got the first one out fine the other one was stuck or something where do I get easy out? I tried vice grips but didn't work so I just tighten the top one and left the bottom one off for now
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Old 12-19-2012, 08:42 PM   #18
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Hahaha no man I got the first one out fine the other one was stuck or something where do I get easy out? I tried vice grips but didn't work so I just tighten the top one and left the bottom one off for now
Any hardware store. I would imagine autozone or something would have them. Not positive tho. But I know a hardware store would, home depot, sears or even harbor freight
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Old 12-20-2012, 12:05 AM   #19
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Going to try it or I might take it to someone is a pro at it I heard it can be messed up. For now I only have one screw in I checked to see if the iac was loose but it wasn't I hope I can use it like that? Also my idle problem isn't as bad anymore so I guess that's a plus haha
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Old 05-19-2013, 04:22 PM   #20
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Sounds like an IAC problem. Maybe try to clean it and see if that helps.
How do I clean it?
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Old 05-19-2013, 04:45 PM   #21
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How do I clean it?
just remove it and spray it down with carb cleaner . i used a brake cleaner that dissolves but either works
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Old 05-19-2013, 04:50 PM   #22
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just remove it and spray it down with carb cleaner . i used a brake cleaner that dissolves but either works
Okay thanks mines been acting up past few days, people probably think I wanna race them
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Old 05-19-2013, 05:47 PM   #23
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Okay thanks mines been acting up past few days, people probably think I wanna race them
lol. yeah try cleaning it out its real simple to clean. clean out ur throttle body while ur at it. thats what i did anyway
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Old 05-20-2013, 09:14 AM   #24
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If you can get the maf out of the tube you can always just try to spray the MAF cleaner down the tube twoards the sensor, and watch out! The sensors are very fragile and break very easily not to mention there a costly replacement.
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Old 05-20-2013, 09:25 AM   #25
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If you can get the maf out of the tube you can always just try to spray the MAF cleaner down the tube twoards the sensor, and watch out! The sensors are very fragile and break very easily not to mention there a costly replacement.
Okay and I have another problem, when I start my car its starts knocking then stops and once I get to 2000rpm it starts to knock again
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