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Frankyzambony

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  • From
    Livermore ca
  • Porsche Club
    PCA (Porsche Club of America)
  • Present cars
    2002 986

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  1. Happy new year ! So I went outside this morning to get one more record of the coldstart and to my surprise the ready status had finally flipped. (4 controlled drive cycles plus 1 short drive cycle last night of < 3 miles) Attached are the logs from this latest startup, things look much better however I have not changed a thing. The good news is I will be heading to the SmogMan tomorrow and hopefully will pass Smog. Thanks to everyone that chimed in for help...
  2. Thanks Ahsai, Just for completeness, I am posting just the post cat graph. Seems strange that they don't seem be be in phase with each other (at all)...
  3. Thanks Ahsai, The Boxster has 99,000 miles on it. Enough to be carbon clogged ?
  4. Hello fellow BoxsterFarians. I am stuck in Smog purgatory. Of the 5 "ready" attributes one will not come ready (which prevents California smog stations from being able to run a smog test). The attribute that is giving me trouble is the Secondary Air System test. When I started on this journey I had a few CEL codes that needed to be dealt with. I was throwing P0410 and P0411 as well as P1128 and P1130's. To add some excitement I was also getting P1115 codes occasionally. I tackled the P1115 error first. (Durametric translation - Porsche fault code 13 Heating Power O2S ahead of cat c bank 1). I swapped the two front (ahead) O2 sensors and drove it around a bit. Soon I had a similar error but it pointed to bank 2. So the error followed the sensor. I replaced that O2 sensor and the P1115 error is gone. Next was the P1128 and P1130 errors. Everything I read pointed to the Mass Airflow Sensor. Swapped that out, now all my errors are gone. Ready for Smog test right ? Well not so fast... Once the CEL codes are cleared, all 5 smog ready attributes change to the FAIL state. In order for the attributes to transition back to the PASS state one must drive the car through a cycle. There are tons of forum postings on what makes up a drive cycle so I won't go into that here. Long story short - I have driven through 4 controlled drive cycles and that pesky Secondary Air attribute will not change to pass. I have no other codes showing and things seem to be stuck. Some postings indicate that a weak O2 sensor can prevent the Secondary test from running to completion leaving one in Smog Purgatory. I have attached a Durametric log graph from my latest coldstart. (My Secondary Air pump appears to run fine and turns off after 60 seconds or so). If you look at the graph, the O2 sensor voltage AHEAD of cat (Bank 1 and Bank 2) appear to react differently during the time the air pump is running. Bank 1 (RED Graph) is the new O2 sensor. Bank 2 (BLUE Graph) is an O2 sensor that has not been changed. Should these two sensors track more closely? (as the two AFTER cat ones do ?) Could this difference in O2 Sensor performance be a cause of my Secondary Air test never finishing ? Would love to hear some opinions from this forum. Thank you, Frankyzambony Livermore California.
  5. Hello folks, just wanted to share my latest upgrade for my 2002 Boxster S. Several articles exist about mod-ing the rear storage compartment for speaker installation however all the articles I found talk about installing a single 3.5" speaker or two 3.5" speakers per side. I wanted some additional low end in the system and was worried that 3.5" speakers just wouldn't deliver the lows. Well, good news, I found that a 4x6" speaker JUST BARELY fits. So if you are planning on a speaker mod, check out my pics below... Pic1 - Front view of speaker mounted in plastic bracket (used cardboard to trim to shape then used as pattern on plastic) Pic 2 - Rear view of same Pic 3 - View installed in rear utility box Pic 4 - Wire mesh waste paper basket (from Ikea) used to make speaker grills Pic 5 - Project complete, installed back in car. Tools / Materials used: Thin cardboard / Scissors to trim to the correct pattern Sheet of plastic ($8.00 at car stereo installation dealer) Wire mesh waste paper basket for speaker covers Dremel tool (Drill and Grinder tip) to shape plastic and drill out speaker hole Tin Snips to cut wire mesh to fit Hot Glue Gun to glue wire mesh to speaker opening 2 Kicker 4x6 speakers ($80.00 at local car stereo dealer) The sound is MUCH better than the stock front and side speakers, the jury is still out on the sound quality of the kicker speakers. I might try different speakers (Pioneer / Alpine etc) but for now these sound fine. Please update the thread if you do this mod and share your pics / experiences. Thanks and happy Mod-ing. FrankyZambony
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