Brett,
All engines do this. It's just the nature of them. Especially when you
have a breather tube recycling the fumes and vapors from inside the engine.
Also goes to show you the air filter just can't catch it all. You can
remove the TB for cleaning, or clean it on the engine. I personally prefer
removing the TB.
Rich - Ashburn, VA
-----Original Message-----
From: Brett Elliott [mailto:elliott_brett@hotmail.com]
Sent: Wednesday, November 15, 2000 9:27 PM
To: dakota-truck@buffnet.net
Subject: DML: Throttle body carbon build-up?
I have a 2000 Dakota with the 4.7l engine that has been behaving poorly
lately. It idles very rough and often dies at stop lights. When I took it to
the Dodge dealer today, they told me that these symptoms where due to carbon
buildup in my throttle body caused by using "bad" gas?
I inspected the TB and there was good amount of carbon. My question is, how
and why does carbon build up in the TB on a Multiport Fuel Injection vehicle
and could it be bad enough to cause the engine to run rough and stall?
As a "bonus" the dealer told me that cleaning the TB wasn't covered under my
warrantee and they would be happy to do it for the modest price of $160.
When I refused to pay this, they informed that I was going to be charged an
hour of labor for the "check-out" and diagnosis the tech did. They ended up
not charging me this "fee" after-all.
Has anyone else had this problem with the throttle body?
Thanks,
-Brett
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