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1974 142 K-Jet Stumbles. 140-160

posted by  Tico on  Sat Dec 1 21:22 CST 2012
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last visit: Sat Jul 19 09:27 CST 2014
[RELATED]

Good Evening,

I have a 1974 142 B20F with the mechanical K-Jet Continuous Injection System.

I just rescued the car, I know little history. It idles beautifully.

When you go to rev it or try and drive it quickly loses power at high speed or under high load (hills). It stumbles up to 3500rpm and cant go higher.

I have tested and installed new fuel injectors and a new fuel filter. The previous one was full of a light green talcum powder substance.

I ran through the pre-trip Green Book "Servicing the B20 with CI"

Everything tested ok.

I'm thinking taking the "Warm Up Regulator" apart and cleaning the screens.

Do you have any other suggestions or resources I can check?

Thank you for your help.





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