04-10-2016, 01:51 PM
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#1
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Registered User
Join Date: May 2011
Location: Houston
Posts: 30
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Rodents...
Hello all,
I just pulled my Boxster out after having it sit for a while and thought I would do a visual inspection before taking it out for run. For the most part, everything looks good, however after looking in the engine compartment, I found something had taken up residence and made a comfy home on the top part of the engine compartment After cleaning everything out, I found a yellow wire chewed on (but not severed) and a blue and white one total chewed through.
The car starts and runs fine, everything seems to work no CEL...does anyone know what these wires do? How tough of a job would it be to replace them?...
I've attached a picture of what's left.
Any advice would be greatly appreciated.
Thanks
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04-10-2016, 01:56 PM
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#2
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Project Addicted
Join Date: Aug 2015
Location: Eastern Shore, MD
Posts: 623
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Year, Model, Trans, side of engine, near what else???
__________________
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Jon
1966 912, 1976 911
1986 944, 2000 Boxster
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04-10-2016, 02:11 PM
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#3
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Registered User
Join Date: May 2011
Location: Houston
Posts: 30
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It's an '03 Boxster S with a Tiptronic. Attached is a picture of where the wires are...this isn't my engine compartment, but looks close.
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04-10-2016, 02:40 PM
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#4
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I am my own mechanic....
Join Date: Feb 2013
Location: Salt Lake City, UT
Posts: 3,433
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Please provide link to owner of car in pic so we can scold them for how dirty that thing is.
Thanks.
__________________
'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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04-10-2016, 03:09 PM
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#5
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Registered User
Join Date: May 2011
Location: Houston
Posts: 30
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04-11-2016, 05:36 AM
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#6
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2003 S, Arctic Silver, M6
Join Date: Oct 2014
Location: Winnipeg, MB, Canada
Posts: 1,347
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I believe those are the wires that power the second rear fog light. Or not.
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04-15-2016, 03:26 PM
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#7
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Registered User
Join Date: May 2011
Location: Houston
Posts: 30
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Just checked all the lights and everything works that I can see or find.
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04-15-2016, 04:15 PM
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#8
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Porsche "Purist"
Join Date: Aug 2003
Location: Wisconsin
Posts: 2,123
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I recommend you disconnect the battery and repair the wiring before running the car again. The blue and white wires are twisted pair so they are most likely part of the car's Canbus network. Cheap way to fix: splice them back together and seal them up with some heat shrink tubing. Tape up the yellow wire with heat resistant electrical tape.
Expensive way to fix: replace harness.
__________________
1998 Boxster with 7.8 DME, 2005 3.6 liter/325 hp, Variocam Plus, 996 Instrument panel
2001 Boxster original owner. I installed used motor at 89k.
1987 924S. 2002 996TT. PST-2
Owned and repaired Porsches since 1974. Porsche: It's not driving, it's therapy.
Last edited by Paul; 04-15-2016 at 04:21 PM.
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04-17-2016, 05:38 AM
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#9
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Beginner
Join Date: Mar 2013
Location: Houston
Posts: 1,659
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Quote:
Originally Posted by Paul
I recommend you disconnect the battery and repair the wiring before running the car again. The blue and white wires are twisted pair so they are most likely part of the car's Canbus network. Cheap way to fix: splice them back together and seal them up with some heat shrink tubing. Tape up the yellow wire with heat resistant electrical tape.
Expensive way to fix: replace harness.
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+1 really good advice. Allowing them to short may become very frustrating and expensive.
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2003 S manual
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04-17-2016, 08:32 AM
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#10
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Registered User
Join Date: May 2011
Location: Houston
Posts: 30
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Thanks for the advice...the wires are under the throttle body / intake manifold. I've done some searching, but haven't found a good article on removing the throttle body / intake manifold to get at this area. Anyone good links or videos?
Thanks again...
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04-18-2016, 06:19 AM
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#11
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Registered User
Join Date: Nov 2009
Location: Winnipeg MB
Posts: 2,486
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__________________
'99 black 986
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05-01-2016, 07:14 AM
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#12
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Registered User
Join Date: May 2011
Location: Houston
Posts: 30
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Started working on it today, and not as bad as I had thought. I have removed everything to get at the connector, however the brittle intake boots need to be replaced now. While I'm waiting on their arrival, does anyone know what this connector does? I've searched all over and looked a number of wiring diagrams and pictures and can't find anything. The colours on the wires are BL/BK (Blue/Black) and WT/BK (White/Black).
Thanks
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05-01-2016, 01:53 PM
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#13
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Registered User
Join Date: Oct 2015
Location: Austin
Posts: 395
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Aren't those wires going to the MAF?
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05-01-2016, 04:52 PM
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#14
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Registered User
Join Date: May 2011
Location: Houston
Posts: 30
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Quote:
Originally Posted by stelan
Aren't those wires going to the MAF?
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No, I don't think so...the MAF is closer to the air filter box. The connector I'm showing looks like it's bolted to the block or something.
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05-01-2016, 05:10 PM
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#15
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Porsche "Purist"
Join Date: Aug 2003
Location: Wisconsin
Posts: 2,123
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The purple arrow points to the knock sensor.
__________________
1998 Boxster with 7.8 DME, 2005 3.6 liter/325 hp, Variocam Plus, 996 Instrument panel
2001 Boxster original owner. I installed used motor at 89k.
1987 924S. 2002 996TT. PST-2
Owned and repaired Porsches since 1974. Porsche: It's not driving, it's therapy.
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05-01-2016, 05:20 PM
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#16
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Beginner
Join Date: Mar 2013
Location: Houston
Posts: 1,659
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Quote:
Originally Posted by rsf
Started working on it today, and not as bad as I had thought. I have removed everything to get at the connector, however the brittle intake boots need to be replaced now. While I'm waiting on their arrival, does anyone know what this connector does? I've searched all over and looked a number of wiring diagrams and pictures and can't find anything. The colours on the wires are BL/BK (Blue/Black) and WT/BK (White/Black).
Thanks
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That would be a detonation sensor. It retards timing if it senses detonation.
__________________
2003 S manual
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05-01-2016, 07:42 PM
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#17
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Registered User
Join Date: May 2011
Location: Houston
Posts: 30
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Since I'm this far into it, should I replace the sensor(s) proactively?...do they go bad very often? I have to order / wait for the intake boots to arrive since they deteriorated during the removal process.
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