maybe that new airflow meter just took a while to start working?....just an
idea...

>From: James V <tornadored@EARTHLINK.NET>
>Reply-To: James V <tornadored@EARTHLINK.NET>
>To: vanagon@GERRY.VANAGON.COM
>Subject: Hesitation, Running Rich, Stalling
>Date: Thu, 22 Apr 2004 18:31:30 -0700
>
>Well, we were supposed to leave tomorrow morning for an 11 day camping trip
>w/ my 90 carat, but now this...
>
>The van has had random minor hesitation/stumbling recently.  It started out
>being very occasional - most noticeable when accelerating.  It would
>otherwise cruise fine (occasional hiccups); power was good; gas mileage
>normal; started/idled fine; air temp didn't seem to be a factor. But in the
>past few days the problem has rapidly worsened, requiring gentle throttle
>to
>keep it from bogging when accelerating.
>
>[Back in Nov 02 (16k mi ago) I replaced the 02 sensor, spark plugs, wires,
>FI temp sensor.  Ran good.  Fuel filter replaced 25k mi ago.]
>
>Yesterday I opened up the AFM, cleaned/realigned wiper, added capacitor
>fix.
>
>This morning after 10 min on the freeway, the car began stumbling hard and
>losing power and died when I came to a stop.  Took several tries before it
>started up again and I managed to get to a parking lot.  It died again and
>wouldn't start.  I tried disconnecting the 02 sensor without luck.
>
>An hour or so later, the van started again, but was idling very rough and
>running rich - coughing black smoke.  Since I had a spare (new) AFM, I put
>that in, with no effect.
>
>So I had it towed to a mechanic where I left it.  He started it up and it
>was sputtering and belching out the black smoke.  He said he tested the
>fuel
>pressure, temp sensor, O2 sensor, checked connections... All okay.  Started
>it up again and it ran perfectly.  He's going to keep it until the morning
>and see if he can find out anymore.
>
>In the meantime, any suggestions/ideas would be appreciated.  The mechanic
>is leaving at noon on vacation as well... So if he can't figure it out, I'm
>on my own - at least until Monday when I can take it somewhere else... And
>I'd hate to shorten/delay/cancel this much needed vacation.
>
>Thanks,
>
>James V
>90 Carat

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