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Registered User
Join Date: Oct 2011
Location: Norway
Posts: 42
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My 911 broke down 2night- ignition trouble?
Hi guys,
My first post on the forum I live i Norway and bought my first Porsche 964 from California this summer. Tonight, on my last drive for the season, my engine startet to make "poffing" sounds whilst driving. It got worse and worse and I had to stop. I had lost almost all power on the engine and it was running rough. The catalyst was read hot. I got my car back to my garage on the back of a truck. Any tip of what to do? Kind regards Steve |
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10-23-2011, 03:22 PM
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Registered
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What year is your car and how many miles are on it?
Catalytic converters can become plugged after many years and they will cause your engine to quit running. One of the symptoms of a plugged converter is they get red hot and glow.
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Rex 1975 911s and 2012 Range Rover Sport HSE 1995 BMW R1100RS, 1948 Harley FL |
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10-23-2011, 05:15 PM
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Member 911 Anonymous
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It a 964 so post 89. Wow RED HOT
 too bad no pics  What type of gas and oil are you using? +1 clogged cat. If it is it, get a pre-muffler or sport cat. Check your cap and rotor too.
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'85 Carrera Targa Factory Marble Grey/Black * Turbo Tail * 930 Steering Wheel* Sport Seats * 17" Fuchs (r) * 3.4 * 964 Cams * 915 * LSD * Factory SS * Turbo Tie Rods * Bilsteins * Euro Pre-Muff * SW Chip on 4K DME * NGK * Sienes GSK * Targa Body Brace PCA/POC |
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10-23-2011, 06:52 PM
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Registered User
Join Date: Oct 2011
Location: Norway
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Quote:
It is a 1990 model. (One owner car- got to love the U.S :-) It has run 60 000 miles. If the Catalytic get plugged, will it run poorly, or will it just stop? It felt like it was running on one less cylinder. Kind of.... Last edited by Stian911; 10-23-2011 at 09:06 PM.. Reason: type error |
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10-23-2011, 09:05 PM
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Registered User
Join Date: Oct 2011
Location: Norway
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Quote:
If it is the cat would you just remove the darn thing? (better sound and performance- right?) |
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10-23-2011, 09:21 PM
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Registered User
Join Date: Oct 2011
Location: Norway
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Thank you both for quick reply!
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10-23-2011, 09:22 PM
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Member 911 Anonymous
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Quote:
Wow 98, you mean 98RON, correct? In anycase, if it felt like a cylinder, then check the Cap and Rotor as well. Also in a dark garage, while the engine is on, open the engine lid to see if you get errand sparks, maybe a spark plug dislodged 
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'85 Carrera Targa Factory Marble Grey/Black * Turbo Tail * 930 Steering Wheel* Sport Seats * 17" Fuchs (r) * 3.4 * 964 Cams * 915 * LSD * Factory SS * Turbo Tie Rods * Bilsteins * Euro Pre-Muff * SW Chip on 4K DME * NGK * Sienes GSK * Targa Body Brace PCA/POC |
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10-23-2011, 09:26 PM
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Registered
Join Date: May 2003
Posts: 3,346
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Red hot catalytic converter usually means to much fuel going through the engine. Possible missfire on one or more cylinders. You will have to diagnose the ignition and fuel injection. You can do a compression test to make sure the engine itself is still ok.
-Andy
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72 Carrera RS replica, Spec 911 racer |
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10-23-2011, 09:53 PM
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Registered User
Join Date: Oct 2011
Location: Norway
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Thank you all for taking your time!
I will start to investigate this evening 
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10-24-2011, 01:49 AM
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Registered User
Join Date: Oct 2011
Location: Norway
Posts: 42
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How likely is the "distributor drive belt" the reason for my troubles?
Anyone experienced problems with the distributor belt? Difficult to change? -S |
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10-26-2011, 11:52 PM
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Registered
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Quote:
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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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10-27-2011, 02:15 AM
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Registered User
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Location: Norway
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Thank you, I will give it a try....
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10-27-2011, 05:02 AM
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Registered
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Location: Winchester, Va
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Was it raining/roads wet? I had my flywheel sensor do this when it got wet.
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Tim 82 SC 90 C2 Yasowatt |
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10-27-2011, 07:19 AM
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Registered User
Join Date: Oct 2011
Location: Norway
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Quote:
I opened the distributors last evening. The drive belt was broken. The rotor was moving, but the belt was not moving at all. So I guess that`s what caused med problems. I have also removed the cat and replaced it with a "dummy" which is empty. |
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10-29-2011, 10:46 PM
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Registered User
Join Date: Oct 2011
Location: Norway
Posts: 42
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Help needed!
Anyone who can tell me how to replace the belt between the two distribrutors? I have removed the cap on both distributors, but it is hard to see what to remove in order to get to the belt. |
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01-02-2012, 08:34 AM
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RETIRED
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distributor belt replacement - thread collection - Rennlist Discussion Forums
Looks like you'll need to remove the unit and dissasemble....
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1983/3.6, backdate to long hood 2012 ML350 3.0 Turbo Diesel Last edited by Joe Bob; 01-02-2012 at 10:02 AM.. |
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01-02-2012, 09:53 AM
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Registered User
Join Date: Oct 2011
Location: Norway
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Thank you Joe Bob! GREAT help!
I will remove the distributor tomorrow and have it sent away for a rebuild |
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01-03-2012, 12:48 PM
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Registered
Join Date: Dec 2008
Location: San Antonio, Texas
Posts: 3,590
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Just hope you didn't damage your pistons from preignition.
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1973 911S (since new) RS MFI specs 1991 C2 Turbo |
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01-03-2012, 04:10 PM
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Registered User
Join Date: Oct 2011
Location: Norway
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Quote:
At least there is no oil leak...Hope thatīs a good sign? Last edited by Stian911; 01-04-2012 at 01:20 AM.. |
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01-04-2012, 01:16 AM
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Registered User
Join Date: Oct 2011
Location: Norway
Posts: 42
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The distributor!
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01-04-2012, 01:19 AM
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1975 Porsche 911s
Marble Grey
911
Da cab
