[DML] Re: New Test Procedure for K-Jet
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[DML] Re: New Test Procedure for K-Jet



 The long version (longer anyway),
 You remove the air cleaner box. Connect the hose of the smoke generator to the hose from the oil fill cap. Turn on the smoke and hold the throttle open and the air sensor plate down till you see smoke. Now cap the air inlet to the mixture unit and pump the motor up with smoke. It will start coming out of the leaks. Big ones show up faster than small ones. If they are really big you have to stop pushing in smoke so you can still look for the smaller leaks. The smoker I have has a hand-held push button so you can turn it on and off easily while looking for leaks. Once you identify any leaks you fix them and retest to find smaller leaks. Removing and replacing the air cleaner takes more time than actually doing the smoke test. Without the benefit of a smoke generator I can tell you that you should probably just replace the injector seals to start with. EVERY car I tested had at least one leaky injector seal. A through visual check is also a good idea to catch any hoses not connected, missing caps, plugs, etc.
David Teitelbaum

--- In dmcnews@xxxxxxxxxxxxxxx, Soma576 <Soma576@...> wrote:
>
> Hi David,
> 
> By all means, lets hear the long story!
> 
> Andy
> 
> -- 
> Sent from my Android phone with K-9 Mail. Please excuse my brevity.
> 
> jtrealtywebspannet <jtrealty@...> wrote:
> 
> I have developed a quick and easy way to test the induction system of the K-Jetronics as it is used in the Delorean. It uses a smoke generator more commonly used to test the evap system in newer cars. I tested the procedure on about 8 Deloreans this past weekend at the DMA Spring Social. The most common air leaks were the injector seals. I also found missing plugs over the mixture screw, leaking dipstick seals, the air pipe under the mixture unit for the idle motor, and a disconnected hose on a vapor cannister. The short story is most cars (including mine) had at least one leaky injector seal. A quick fix that works is to just wrap some teflon tape over the seal but it is obvious most people should be replacing the injector seals. Especially if more than one is leaking. Fixing induction leaks will improve idle quality, gas mileage, and power. If anyone is interested in the "long" story about how the testing is done I can put it up. David
> Teitelbaum_____________________________________________
> 
> 
> [Non-text portions of this message have been removed]
>




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