Date: Mon, 26 Sep 2011 23:20:29 -0700
Reply-To: Karl Wolz <wolzphoto@Q.COM>
Sender: Vanagon Mailing List <vanagon@gerry.vanagon.com>
From: Karl Wolz <wolzphoto@Q.COM>
Subject: Re: HELP-- 45 MPH @ WOT ???
In-Reply-To: <1317088473.6100.YahooMailNeo@web160702.mail.bf1.yahoo.com>
Content-Type: text/plain; charset="iso-8859-1"
Kick the muffler; listen for stones inside.
Karl Wolz
|-----Original Message-----
|From: Vanagon Mailing List [mailto:vanagon@gerry.vanagon.com]
|On Behalf Of Zoran Mladen
|Sent: Monday, September 26, 2011 6:55 PM
|To: vanagon@GERRY.VANAGON.COM
|Subject: Re: HELP-- 45 MPH @ WOT ???
|
|Cat is clogged...or muffler is clogged...
|
|
|From: Mike Miller <mwmiller6@ATT.NET>
|To: vanagon@GERRY.VANAGON.COM
|Sent: Monday, September 26, 2011 3:38 PM
|Subject: Re: HELP-- 45 MPH @ WOT ???
|
|O2 sensor? Try pulling the lead and see what happens.
|
|Don't blame me if it blows up.
|
|Mike
|
|
|On Sep 26, 2011, at 2:26 PM, TJ Hemrick wrote:
|
|> I'm going to throw this out there as I'm still having some
|trouble and
|> perplexing trouble at that. I've been having some problems getting
|> the van up to speed and holding speed on the highway. it starts,
|> runs, accelerates fine. It's a little slow after 50 but right at 60
|> mph (4k), the engine just stops pulling. If I give it any more gas,
|> she just winds down. I have to back pedal to get it up
|there and keep
|> it there. It's a VERY fine sweet spot and I have NO power at that
|> speed. People are blowing by me like I'm going backwards.
|> Here's the crazy part, if I floor it, it bogs down and will ONLY do
|> 45 mph
|> and it has a very slight sputter to it.
|>
|> Here's the scoop: 87 GL, 2WD, Auto, stock 2.1, I COMPLETELY cleaned
|> the fuel tank out for a fresh set of gaskets about 6 months ago, new
|> fuel filter, new fuel pump, new fuel lines from bow to stern (dumped
|> the firewall fitting), new FI clamps and hoses on the injectors, and
|> has been running well (aside from marginal gas mileage).
|>
|> I've been through a few tanks of gas and a bottle of water
|remover so
|> that's a non issue.--NO CHANGE.
|> I swapped AFM's since it's quick, easy, and I have a few
|spares. --NO
|> CHANGE.
|> I swapped Air filters (for the same reason as above). --NO CHANGE.
|>
|> I've pretty much given up on a fuel flow or air flow issue
|as it's at
|> the EXACT same speed/RPM range EVERY time that's plaguing me
|with the
|> slowdown and it's ONLY when I dump her to the floor that it
|goes into
|> the speed DECREASE. It's so counter intuitive to back off the pedal
|> when you're trying to pick up speed. Especially when just
|one or two
|> millimeters too much and now you're slowing down due to throttle
|> position and that semi is right at your back door and closing fast!
|>
|> I'm going to check the cap and rotor but anyone have any other
|> thoughts or heard/seen this?
|> It's just so strange that it starts and runs fine at all
|other points.
|> I guess I shouldn't completely discount a fuel issue but
|it's not like
|> the new pump is cavitating ONLY at that speed and every time ONLY at
|> that speed. I guess it could be a total fuel volume issue but how
|> could it be, again, only at that almost exact same point each and
|> every time? Seems too specific for fuel. Electronics are the only
|> things I know of that can be so repetitive and exact. That keeps
|> putting me back at ignition.
|>
|> Thanks,
|>
|> TJ
|>
|> Yes, I have spare ECM's and AFM's so playing swaptronics is not a
|> problem.
|-----
|No virus found in this message.
|Checked by AVG - www.avg.com
|Version: 10.0.1410 / Virus Database: 1520/3921 - Release Date:
|09/26/11
| 
