Bruce,
Check for a torn diaphragm in the back of the IP. An oscillating idle
is a common symptom for this. Other symptoms include poor fuel economy
and more than normal smoke out the tailpipe.
Regards,
Mathieu Cama
Old World Automotive
Lawrenceville, GA
www.oldworldauto.com
404-550-8000
9:30 AM - 5:30 PM Mon-Fri
On Feb 21, 2010, at 11:56 PM, B Dike wrote:
Hi All,
The 74 W115 240D engine swap is done. It runs great, except for one
minor problem (of course): At idle, the motor surges (or lopes) at a
1.5 hz oscillation. It is particularly bad when cold. Is there a
rack damper screw at the back of the IP like the W123 motors? Is
there something else I should look for?
Thanks,
Bruce
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