Re: [DML] Advice on tuning my engine

["DMC Joe" <dmcjoe@xxxx>]

There are two common causes to the problem you are describing. There maybe a problem in the fuel enrichment circuit which is easy to detect in that the frequency valve will buzz full time after engine warm up.

The second problem may be an out of tolerance CO mix adjustment.

DMC Joe
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DMC Help / De Lorean Services / <dmchelp@xxxx>


----- Original Message ----- 
From: Jan@xxxx 
Hello everyone,

I need some advice for my car: I had the Cat replaced by a pipe a 
couple of months ago (which is legal here) to get a little more 
performance out of my car.
This DID do the trick, not much, but noticable enough. The car was 
behaving beautifully when I got it back from the shop untill about 
three weeks ago. When Idling you can smell some unburned gasoline
from 
the exhausts (and no: I'm not kneeling down to notice) and I get VERY 
frequent backfires. I even get them when taking my foot off of the 
accelerator at as little as 1500rpm.
This backfiring is nice when you want to impress your 7 year old 
cousin, but that's about the only "pro" I can think of: it is not 
supposed to be this way...