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-   -   1980.keeps fowling first 4 spark plugs. (http://forums.pelicanparts.com/porsche-928-technical-forum/767623-1980-keeps-fowling-first-4-spark-plugs.html)

MPDano 09-12-2013 01:27 PM

Quote:

Originally Posted by mixybro4 (Post 7652989)
Okay I'll look into all that. Couple more questions. Speedo started cutting out at 25mph. I recently put a new circuit film on and checked all the resistors and everything. It worked before. Perhaps a lose wire? Also. Is there anything that goes bad that stops the AC system from working entirely? The fan does not come on or anything, the AC compressor does not engage, you think the fan would at least make a noise or something?

Fuse or Relay or low in Freon. I believe there is a way to jump the system somewhere near the Drier to verify low freon cutoff. You should open a new topic on this to keep from confusing the original topic tho.

There is a sensor mounted on the rear pumpkin that seems to need cleainng every once in awhile. Also, the connectors where the spare tire goes are also suspect.

MPDano 09-12-2013 01:29 PM

Quote:

Originally Posted by mixybro4 (Post 7652993)
Also is there anyway to shut off that goddamn buzzing noise when a door is open or when you just turn the key one click?

Yeah, find the buzzer and cut one wire.

Danglerb 09-12-2013 02:10 PM

Quote:

Originally Posted by mixybro4 (Post 7652989)
Okay I'll look into all that. Couple more questions. Speedo started cutting out at 25mph. I recently put a new circuit film on and checked all the resistors and everything. It worked before. Perhaps a lose wire? Also. Is there anything that goes bad that stops the AC system from working entirely? The fan does not come on or anything, the AC compressor does not engage, you think the fan would at least make a noise or something?

Speedo from what you say, check the 4 pin connector in the spare tire well, towards the front under a flap sometimes.


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