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-   -   Backfiring (https://www.germanlook.net/forums/showthread.php?t=2087)

Rob May 6th 2003 20:41

Backfiring
 
Took the bug for another spin today, the longest one sofar.
She handles pretty good with the Konis up front (thanks Alex).

However, whenever I get to a stoplight, she dies. If I start her up again she idles fine though.
Also, when I get off the throttle the engine backfires a lot, does this mean it's running too rich ? Could this also be the reason the engine dies when I stop ?

Any info is welcome,

Thanks,

Rob.

Sandeep May 7th 2003 08:53

Rob,

I think you said you have a 1600cc SP. Does that come with a 34 PICT-3 ?

I had the same problems with my engine (type 4) and it worked out that the idle circuit was lean. I don't think you'd have the backfiring with a rich circuit. I'm just learning how the carbs work as well.

Do you have any vacuum leaks ? This could cause the idleing to be lean as well as air is getting into the mix.

Hope this helps in the meantime.

Sandeep

zydeco May 7th 2003 10:02

Also, look for exhaust leaks around the heads/j-pipes and at the collecter (assuming a header style exhaust system).


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