02-07-2015, 01:03 PM
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#1
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Registered User
Join Date: Dec 2013
Location: Greenville, S.C.
Posts: 2,670
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Clean MAF and throttle body.
Got the engine bay open right now, waiting on a family friend to bring a security torx by. Any suggestion while cleaning MAF sensor and cleaning out the throttle body? E gas 2000 S model. I've read the right ups and some old threads. Any specific pointers? 
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02-07-2015, 01:10 PM
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#2
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Registered User
Join Date: Jan 2015
Location: Moore, Ok
Posts: 105
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Don't drop the throttle body on your car while pulling out. Mine was a little slippery from grime and boom.. $100 for PDR. 
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02-07-2015, 01:45 PM
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#3
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1999 base
Join Date: Dec 2011
Location: Coral Springs FL
Posts: 1,617
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Just don't freak out when you done, and the engine will not idle steady.
Remember you will have to re calebrate the ECU by driving it for few hundreds miles in different conditions.
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02-07-2015, 01:47 PM
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#4
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Registered User
Join Date: Dec 2013
Location: Greenville, S.C.
Posts: 2,670
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Excuse to drive, sounds good to me.
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02-07-2015, 02:00 PM
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#5
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Registered User
Join Date: Dec 2008
Location: Queensland, Australia
Posts: 1,522
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The easiest way to recalibrate the throttle body is to
(a) Switch on the ignition (don't start the engine) for +/- 1 minute - you should hear the throttle body adjust.
(b) Switch off ignition & remove key for +/- 10 seconds.
Start car as normal.
__________________
2001 Boxster S (triple black). Sleeping easier with LN Engineering/Flat 6 IMS upgrade, low temp thermostat & underspeed pulley.
2001 MV Agusta F4.
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02-08-2015, 10:09 AM
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#6
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Registered User
Join Date: Dec 2013
Location: Greenville, S.C.
Posts: 2,670
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So just did all the work, everything is re fastened. Ignigition in for a minuet to adjust throttle valve, heard it click and adjust. There is a high pitch electrical sound though? Is this normal?
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02-08-2015, 10:13 AM
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#7
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Need For Speed
Join Date: Feb 2013
Location: Funville
Posts: 2,112
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I just cleaned my MAF sensor, but not the TB and never heard a high pitched electrical sound. Will it start lol?
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02-08-2015, 10:17 AM
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#8
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Registered User
Join Date: Jan 2015
Location: Moore, Ok
Posts: 105
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Electrical sound like.. buzzzzzzz or errrrrrrrr or eeeeeeee? Mine did a audible eeeeeeee for the first couple starts. went away after.
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02-08-2015, 10:26 AM
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#9
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Registered User
Join Date: Dec 2013
Location: Greenville, S.C.
Posts: 2,670
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Starts good. Started right up, good idle..... I have a very squeaky clutch though! Not sure what caused that.
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02-08-2015, 11:32 AM
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#10
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Registered User
Join Date: Dec 2013
Location: Greenville, S.C.
Posts: 2,670
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Well clutch squeak is gone. Drove the car ran great..... Parked the car in the garage.... CEL came back on.... Well it drives good.
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02-08-2015, 11:54 AM
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#11
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Need For Speed
Join Date: Feb 2013
Location: Funville
Posts: 2,112
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Did you ever find out the fault code on the CEL?
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02-08-2015, 12:42 PM
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#12
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Registered User
Join Date: Dec 2013
Location: Greenville, S.C.
Posts: 2,670
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The original CEL was caused by the MAF sensor which I just cleaned. Not sure what this light is for. In both cases I drove the car, it ran fine, I turned my head to reverse and park, and when I turned my head back the light was on? It drives fine so I'm just gonna run around with the light on for now.
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02-08-2015, 12:44 PM
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#13
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Registered User
Join Date: Feb 2014
Location: Gold Coast Australia
Posts: 41
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Don't drop the torx keys. Dropped mine never to be found again. Finished up buying another set.
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02-08-2015, 09:46 PM
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#14
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Registered User
Join Date: Oct 2014
Location: Fort Collins, Co.
Posts: 74
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A high pitched whine can be a sign of a bad air oil separator causing an abnormally high vacuum. Have it checked. Unfortunately it is a common problem.
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02-09-2015, 08:57 AM
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#15
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Registered User
Join Date: Oct 2014
Location: Fort Collins, Co.
Posts: 74
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I did this same operation recently and broke the old vent tube from the AOS. Fortunately they are readily available. Phew.
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02-09-2015, 01:02 PM
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#16
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Registered User
Join Date: Dec 2013
Location: Greenville, S.C.
Posts: 2,670
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Thanks all, the CEL comming back is a pain, but I think it's unrelated, likely goes back to whatever the original problem was. The car idles high with the clutch depressed. But overall it's driving better.
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02-09-2015, 08:36 PM
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#17
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Registered User
Join Date: Sep 2008
Location: Florida
Posts: 2,497
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You need to pull the code. Lots of stuff may or may not be caused by faulty MAF.
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02-09-2015, 08:53 PM
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#18
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I am my own mechanic....
Join Date: Feb 2013
Location: Salt Lake City, UT
Posts: 3,432
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Most CELs can be fixed with a simple 1/2" square of black electrical tape, if you know where to apply it.
__________________
'04 Boxster S 50 Jahre 550 Spyder Anniversary Special Edition, 851 of 1953, 6-sp, IMS/RMS, GT Metallic silver, cocoa brown leather SOLD to member Broken Linkage.
'08 VW Touareg T-3 wife's car
'13 F150 Super Crew long bed 4x4 w/ Ego Boost
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02-10-2015, 12:41 PM
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#19
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Registered User
Join Date: Nov 2013
Location: Emerald City
Posts: 885
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Quote:
Originally Posted by Timco
Most CELs can be fixed with a simple 1/2" square of black electrical tape, if you know where to apply it.
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Be careful though, the emission people have xray vision and can see right through the tape!
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