 ENGINE NUMBERS?, How do I tell the year? |
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| 72914S |
 Aug 8 2005, 04:28 PM
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love this shot  Group: Members Posts: 1,290 Joined: 10-July 03 From: Pensacola,Fl. Member No.: 900 Region Association: South East States  |
I need to know if I have a `73 or a`74 2.0 engine.Both serial # have the GA95. I`m having trouble with the temp sensor,and it`s my understanding there is differant one for the `73 than the `74?
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| lapuwali |
Aug 8 2005, 07:26 PM
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Not another one! Group: Benefactors Posts: 4,526 Joined: 1-March 04 From: San Mateo, CA Member No.: 1,743  |
According to Brad Anders (and he would know better than most), the two CHT senders are part numbers 0 280 130 017 and 0 280 130 012. The former is for use with the 1.7 ECU, which is the same for the '73 2.0. The only difference is an additional resistor, part number 039 971 762 A (just a 270 ohm resistor, any Radio Shack 1/4 watt unit should do) for the early part has to be between the sensor wire and the ECU. The 012 part is for the '74. Note that those are Bosch part numbers. The Porsche part number is the SAME for both: 311 906 041 A, and Anders suggests either will work fine, the 012 will just give a richer mixture during cold starts.
What kind of sensor problems do you seem to be having? If the sensor and the wiring is at all good, then the car should start and run OK cold, and by the time the engine is warmed up, there will be no difference at all. |
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Posts in this topic
72914S ENGINE NUMBERS? Aug 8 2005, 04:28 PM
lapuwali Which temp sensor are you having trouble with? Th... Aug 8 2005, 04:42 PM smg914 GA0000001 thru GA0006765 are 1973 2 Liter engines.... Aug 8 2005, 05:09 PM 72914S Thanks smg914 that`s what I was needing. Aug 8 2005, 07:06 PM 72914S sorry 1 it`s the head temp. Aug 8 2005, 07:07 PM 72914S When I hook up the head temp sensor the engine wil... Aug 8 2005, 08:03 PM lapuwali Measure the resistance of the head temp sensor AT ... Aug 8 2005, 08:18 PM
smg914 It sounds to me like your CHT sensor is grounded. ... Aug 8 2005, 09:56 PM |
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