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Join Date: Feb 2004
Location: Bay Area (Golf Anyone)
Posts: 384
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Hard Starting 1981SC
This is a follow up on studderd, stalled, stranded, replaced fuel pump with a rebuilt and relay now its very hard to start cold or letting it sit for a while i'm coming back to the experts on helping a novice with this problem,
Thank you Barclay 1981SC |
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06-20-2004, 10:27 AM
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Join Date: Feb 2002
Location: Asheville, NC
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Please most as much detail about your problem as possible. You will get more reponses to this thread and it will be easier to diagnose.
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Gone but not forgotten - 1980 Porsche 911SC w/ -22mm/28mm Torsion Bars | Custom Valved Bilsteins | 22mm/21mm Carrera Sway Bars | Elephant Poly/Bronze Bushings | Carrera Brakes | AJ-USA Brake Cooling | Carrera Oil Cooler w/ Fan | Elephant Strut Brace | Oh, and no ABS or PSM or A/C |
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06-21-2004, 07:01 AM
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Location: Peoples Republic of Long Beach, NY
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Re: Hard Starting 1981SC
Quote:
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Ronin LB '77 911s 2.7 PMO E 8.5 SSI Monty MSD JPI w x6 |
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06-21-2004, 09:36 AM
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Location: Bay Area (Golf Anyone)
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The car stalled and I could not get it started I thought it was fuel related so I changed fuel pump and relay I got it started (runs fine when driving it) but very hard starting, 30 seconds of cranking then it will start, The first time it stalled I did not crank it alot so I don't know if it would have started or not. What else should I check?
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06-21-2004, 12:36 PM
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JOT MON ABBR OTH
Join Date: Feb 2001
Location: USA
Posts: 3,238
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Barclay,
What type of ignition box do you have? Have you checked spark?
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David '83 SC Targa (sold  ) MANLY babyblue honda '00 F250 7.3L (MINE!)'15 F250 Gas (Her Baby) '95 993 (sold )I don't take scalps. I'm civilized like white man now, I shoot man in back. |
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06-21-2004, 12:45 PM
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Location: Bay Area (Golf Anyone)
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I guess its stock, the coil is Bosch. What else
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06-21-2004, 02:00 PM
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Location: Bay Area (Golf Anyone)
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I did check spark it seems to ok.
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06-21-2004, 02:01 PM
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JOT MON ABBR OTH
Join Date: Feb 2001
Location: USA
Posts: 3,238
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Look at the box. It is located in the left hand side of your engine compartment. With a Bosch coil I doubt you have the Red MSD box. There will either be the small Bosch name on the front of the box (I believe it is sideways from top to bottom on the front panel closer to the driver) or a large Perma-Tune printed on the silver box. The box is located between the fuse panel (hidden behind the black plastic panel on your left as you look into the engine compartment) and the fuel filter. I would down load the respective bench tests you can perform on these two types of boxes once you ID the box. If it is a Perma-tune I would suggest buying a new box and coil. If it is a Bosch you might be able to repair it easily or buy a re-built box. These are easy to take out and replace. Be sure to disconnect the battery before removing the box!
There is also a little green wire on the right side of your distributor. Is this plugged in? Is the insulation cracked? This could be the culprit, also and is a much cheaper fix. What is the condition of your plug wires? I'm still tending to think your issue is spark related, not fuel.
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David '83 SC Targa (sold ) MANLY babyblue honda '00 F250 7.3L (MINE!)'15 F250 Gas (Her Baby) '95 993 (sold )I don't take scalps. I'm civilized like white man now, I shoot man in back. |
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06-21-2004, 02:08 PM
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Join Date: Oct 2000
Location: Centennial, CO, USA
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The SC I bought in Feb, was having hot start problems, and after talking with a couple of SC pilots, the fuel accumluator was diagnosed as the likely culprit. They are about $125, and do the fuel filter as well. My SC starts up like a charm now. HTH
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Bill '72 911T-2.4S MFI Vintage Racer(heart out), '80 911SC Weissach,'95.5 S6 Avant Wunderwagen & 2005 997 C2S new ride. |
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06-21-2004, 02:15 PM
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Location: Bay Area (Golf Anyone)
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Is the box called the CDI module? if so it is a Bosch, does this site have have the bench test to download? also the green wire off the distributor looks good. I will look at the wires next. Thank you
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06-22-2004, 04:40 PM
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