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Date:         Wed, 30 Apr 1997 07:43:00 -0400 (EDT)
Sender:       Vanagon Mailing List <vanagon@vanagon.com>
From:         "Stephen T. KIRBY 610-454-3941" <KIRBYST@rpr.rpna.com>
Subject:      Re: VANAGON FOR SALE? HELP Diagnosis needed STAT!

Weird problem #2 sounds like it could be a bad thermo/time switch. this switch completes the electrical circuit for and limits the duration of the cold start injector. An internal bimetallic strip, heated both electrically and by engine heat, determines the cold start injector on time by providing a short duration electrical ground. It could be dumping too much fuel into the engine when it doesn't actually need it. Check all of the other engine sensors, including the mass airflow sensor, the fuel pressure and the injectors themselves. But by all means, KEEP THE FUEL INJECTION. It's really much easier to live with than carbs.

Weird problem #1 is the bane of all aircooled vee-dubs. It is caused by the resistance of the wire and connectors from the ignition switch to the starter solenoid. The resistance gets higher as it gets warmer. Also as things age, the resistance goes up and there is not enough current left to pull in the solenoid. Make sure all the connections are clean. Then install a universal starter solenoid in the area so that it routes power from the main battery positive on the starter to the ignition switch connection on the original solenoid. The ignition switch wire itself goes to the new solenoid which requires much less current to operate.

Hope this helps,

Steve,

Kirbyst@a1.rpr.rpna.com

'77,'81 buses '67,'70,'74 bugs '68 1602,'79 528I bimmers


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