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Re: [T3] Loss of power + muffler explosion = dead on the freeway. Thoughts?


On 23 Nov 2005 at 22:54, C.Rochambeau wrote:

> I was travelling along at 60-65 this evening when the car suddenly felt like it was
> starved for fuel [hard deceleration], then there were one or two muffler explosions [I
> actually recall seeing a flash from the rear of the car]. As the engine died, I was
> coasting onto the shoulder.

Sounds pretty bizzare. Muffler explosions like this usually happen on 
overrun, when unburned gas gets pumped into the exhaust. My best 
guess is that something went wrong with your ignition system leaving 
the FI still pumping gas in.

> The car is a 1970 FI system, more or less stock
> 
> *I'd *just* filled up, so it's not out of gas.

> *The voltage regulator [new production Bosch] was quite warm to the touch, is this normal?
> *When the emergency flashers were on, the gen light and idiot light were also blinking.
> This is a first for this car. 
> *Unhooking the D+ to the generator made the gen light stop blinking along with the flashers.

This is somewhat common and I think it has to do with a poor ground 
at the gauge. It probably changes depending on whether the key is ON 
or OFF. It does not effect the running of the car. 

> *I was unable to hear the fuel pump running, but that was due to the perpetual rumble of
> traffic flying by.
> The engine turns as normal, it just sounds as if there is no ignition at all.

You're probably right. The first thing you should check for is spark. 
Take along a friend so you have someone to turn the key for you.


-- 
*******************************
Jim Adney, jadney@vwtype3.org
Madison, Wisconsin, USA
*******************************

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