RE: MAP sensor

From: Rick Barnes (rascal@scrtc.com)
Date: Sat Sep 22 2007 - 14:41:45 EDT


Clogged cat?

Rascal

-----Original Message-----
From: owner-dakota-truck@bent.twistedbits.net
[mailto:owner-dakota-truck@bent.twistedbits.net] On Behalf Of Steve Preston
Sent: Saturday, September 22, 2007 12:35 PM
To: dakota-truck@dakota-truck.net
Subject: DML: MAP sensor

Well,I finally bought a vacuum gauge,and checked my
work truck with it. Judging from actual vacuum,it's
all right. Runs at 18-19 in HG at idle,jumps to zero
when I snap the throttle,climbs to a little over the
idle reading,then settles back to the original
reading. However,my MAP sensor doesn't read close to
this at all. It stays at about 9-10 in HG. Bad
sensor,right?

History lesson: 2003 Dak 3.9 CC 2WD V6 with
42RE,intermittent missing and bad power loss while
driving. TPS ok,new plugs and wires,dist.cap ok,fuel
pressure and all injectors ok.

Thanks!

Steve P.

 
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