Cold Start Problem


Created: 10/7/97

Last updated: 10/3/99


Author/source: Benson/DML (Courtesy Luke Sandel)


Date: Tue, 7 Oct 1997 22:45:26 +0000
From: BRUCE BENSON
Subject: Re: DML: Bought My First DeLorean..

>2) My car won't start in the mornings until about the 10th crank. I assume
>this is a sign of bad gas? Is there a quick fix to this so I can start
>driving it right away? Ed at D1 scared me to death and said I need to get
>it fixed before moving it, but my mechanical skills would only go as far as
>to allow me to drain the tank and replace the pump and filter. Will this
>save my engine, or should I ship it off to DMC Houston or D1? I really
>don't want to be without my new baby for 6-10 months though.

>Daniel McGauley

Dan,

Once your car is running, does it run ok? Hard starting when cold could be a bad thermo-time switch, which is located on the drivers side of the water pump. It's what tells the cold start valve to fire when the engine is cold. This is the fuel injections answer to a choke found on a carbureated car. When the engine is cold find the plug going to the thermo-time switch and unplug it. Put a jumper wire into the female socket of the blue wire going into the plug and, while someone tries starting the engine, touch the wire to ground. If the engine fires up, replace the thermo-time switch. It's a common Bosch part. Most auto shops carrying foreign car parts have it. Ask for one that fits a 1981 Saab 900 Turbo. It's the same switch. Or save some leg work and buy it from one of the DeLorean shops. Many times their prices are close to the same as you'd pay elsewhere.

Bruce Benson



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