Clogged cat makes the vacuum go up, not down.
- Bernd
>
> 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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This archive was generated by hypermail 2b29 : Tue Oct 02 2007 - 15:23:18 EDT