missing 164

["AlfaBill LLC /alfabill.com" <mail@domain.elided>]

>My 1995 164 Super just started with this engine stumble at idle. It seems it
>only does it when the engine is at idle, whether cold or at normal
>temperature. The stumble or miss (feels like one cylinder misfires) is more
>noticeable at operating temperatures and it happens every 5 - 6 seconds.
>When accelerating or at cruising speed, there is no stumble at all! Any
>ideas? The local dealer thinks it's a faulty electrical connection somewhere
>  I've checked all the visible ones, cleaned and reinstalled, but the problem
>persists.

Hello Jose,

Sounds like it is time for direct ignition coils. You'll likely find one or 
more cracked and arcing inside the tube. These are low quality Bosch units. 
Bosch is THE biggest factor in the bad reputation of 164s. Steppers, a/c 
displays, ECU failures.... very sad.

Expect a retail price of approx. $70 USD per unit, buy extras, if some are 
still good, they will fail eventually. Some times you can patch them up 
with silicone to prevent the arcing as a short term fix.

Bill Harkell
AlfaBill LLC
Tampa Florida USA
http://alfabill.com
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