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Join Date: May 2002
Posts: 3
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No start high humidity or rain
Mr Porsche doesnot like the rain or humid days. But if the air is dry or the temperature is high starts fine. I have cleaned the exterior grounds points but not the interior . Also changed rotor button, spark plugs, distributor cap, fuel filter and negative battery cable. Any suggestions?
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88 924s |
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08-24-2004, 05:20 AM
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Feelin' Solexy
Join Date: Oct 2003
Location: WA
Posts: 3,788
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Do you have the little plastic dust cap thing that goes between the distributor cap and the body of the engine? Have you tried a new DME relay?
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Grant In the stable: 1938 Buick Special model 41, 1963 Solex 2200, 1973 Vespa Primavera 125, 1974 Vespa Rally 200, 1986 VW Vanagon Syncro Westfalia, 1989 VW Doka Tristar, 2011 Pursuit 315 OS, 2022 Tesla Y Gone but not forgotten: 1973 VW Beetle, 1989 Porsche 944, 2008 R56 Mini Cooper S |
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08-24-2004, 07:14 AM
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Æ i agree. those DMEs are pesky at best, it may be that the cold/damp affects the little relay switch enough for it not to function. You should always have a spare DME relay in the glove box anyway and they're not expensive...
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(x)'89 944 S2 Cabriolet (Guards Orange) : ( )'90 944 S2 (Maraschino Dead!) : ( )'89 Audi 90 Quattro 2.3 20V : ( )'92 Renault Clio 1.4 : * |
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08-24-2004, 07:25 AM
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Join Date: Jul 2004
Location: Texas...all of it.
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Does it turn over, just not start? I have that problem everytime I wash my engine bay....they do NOT like to start when the engine bay gets damp.
Carry a can of B12 in you hatch compartment. When it starts getting humid and damp, pull a vac line of the plenum and give a couple sprays into the intake. Hook the vac line back up and start the car. She'll probably run rough for a moment or two because of the humidity, but she'll dry out once the engine starts building heat.
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http://forums.pelicanparts.com/uploa...1093905626.jpg the "baby" that comes first... |
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08-24-2004, 09:40 AM
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My car had the same problem after a heavy downpour while sitting in the parking lot. Came to find out the DME connectors inside the car's passenger footwell was getting wet. Sprayed the plug and socket with moisture displacer and she started right up.
I cleaned the battery tray and sealed it up with plastidip spray, problem solved. Check your DME location for water intrusion.
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1993 964 C2 still makes me smile Retired and work as needed as a pain in the **s. |
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08-24-2004, 04:35 PM
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Join Date: May 2002
Posts: 3
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Thanks for the suggestions I will try these.
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88 924s |
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08-29-2004, 03:27 AM
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mine did this once. i live about 300 feet from a lake, high humidity and fog. when it did not start i pulled the dme relay and blew it out. it started right up. i intend to dry it out on a hot day and seal it with that stuff we used to use on dune buggy dist caps, silicone sealer???
everone have a terrific week!!!!
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chance favors the prepared mind 1987 944 n/a 5spd. who remembers dial phones?. 'STOP FIXING THINGS ONE STEP BEFORE YOU BREAK SOMETHING ELSE" |
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08-29-2004, 03:07 PM
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1989 Porsche 944 S2 Cabriolet 3.0 Litre N/A
911
1987 Porsche 944 2.5
