If the timing is severly retarded the engine may not make any noises but
start weakly and have very poor throttle response and even make no power at
all.
----- Original Message -----
From: "Bob Tom" <tigers@bserv.com>
To: <dakota-truck@dakota-truck.net>
Sent: Saturday, July 13, 2002 4:52 PM
Subject: Re: DML: Dakota won't go above 800 rpm : Update
>
> At 04:25 PM 7/13/02 -0500, you wrote:
> >I put a fuel pressure tester on it and I get 35-40 lbs as it's idling.
>
> That sounds normal for your model year. The proper amount
> should be getting up to the fuel rails. Question now becomes
> is the proper amount coming through the injectors.
>
> >Here's a weird thing: I can monitor the sensor output as the engine
> >is running, but I can only 'scan' the computer once, then I get
> >'Vehicle is not responding'. In order to get another scan, I have to
> >re-initialize the scanner. I'm using an Auto X-ray EZ Link scanner.
>
> I tried this scanner many years ago. I often got this message on the
> first day and returned it. I think it was because the scanner's connector
> that plugs into the Dak's data line connector is really poorly made
> (poor manufacturing quality control). I went to a high-end (read
expensive)
> scanner and had no problems.
>
> It could be, for whatever reason, that the timing is out of whack but I
> would have expected that there would be noises (misfiring, etc.).
>
> Do you have a reading for the tps, the pulsewidth of the injectors and
> the MAP sensor at and just after 800 rpms? Is there any smoke coming
> out of the exhaust pipe when it is stumbling?
>
> Bob
>
>
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