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Registered User
Join Date: Jul 2011
Posts: 5
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928 Non Start...
I need your help...
I got an 82 928, that was running fine one moment. Parked for a few hours, came out to start it and no go. Once I did get it started, I had to hold the throttle down to keep it idle, I was able to nurse it home that way... I ran a tube down the AFM, and dam it did it start right up. However I got a ton of black smoke coming from the tail pipe. It never smoke like that before... Please help, this has been a daily driver for me, and had a problem until now... 82 928 rough start - YouTube |
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09-28-2011, 05:48 PM
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RISA - it sounds like you have a air intake leak. I had the same problem. After taking the car for a little spin around the neighborhood, I put it in the garage. The next time I tried to start it --- no start. It took a lot of time and help from folks here on Pelican to direct me to the source of the problem. The throttle body rubber coupling had worked loose from the air distributor which caused a massive air leak (which caused the dam to remain pretty much closed). Once I found the problem and corrected it ran fine. However, after a year or so, and after doing the TB / WP change out, the engine would start, but was very hard to keep running. A lot of foot modulation on the accelerator was the only way to keep it running until it got warm. After it warmed up it ran fine. I found that one of the intake sleeves between the intake tube and the intake distributor was cracked. I replaced all of the sleeve, and the beast starts and runs bodaciously!
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Mike 1982 Porsche 928 Auto Black on Black - Competition Package |
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09-29-2011, 03:52 PM
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Registered User
Join Date: Jul 2011
Posts: 5
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I got the car to start....
The 928 will start up two different ways.. 1) Running a hose down the AFM keeps the flap open and car starts (The Temp II is connected) 2) With the hose removed from the AFM, the car starts but with the Temp II Sensor disconnected... We know it only fires up when the Cap to the Temp II Sesnor is removed... We know the cap to the sensor is severly cracked... We know a resistor was added to compenstate for other related issues... We know the car was running fine without any issues before... What will I do tomorrow... I will replace the sensor and cap....should arrive tomorrow at noon but I have to work so I wont get to it until after Porsche 928 Temp II sensor - YouTube 82 928 Temp II Sensor - YouTube |
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09-30-2011, 07:15 PM
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Registered User
Join Date: Jul 2011
Posts: 5
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Problem solved - one of the the CAPS from the throttle body had pop off..
Replaced the CAP with "Bypass Cap Assoritment" - and bingo the car fired up... |
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10-02-2011, 06:04 PM
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Quote:
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1981 Porsche 928 "Euro" Auto Gunsmoke Metallic Flat - Black Interior 1983 Porsche 928S "US" Auto Light Bronze (Copper) Metallic - Brown Interior **SOLD** 
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10-02-2011, 06:08 PM
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1982 Porsche 928
Race Car
