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  #121  
Old February 9th, 2010, 01:09 PM
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Charles Galpin
'94 D90 ST, '63 SeriesIIA
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Hey not trying to advocate throwing parts at it, but in lieu of spending more on shop hours, I'd consider replacing the VSS and ignition control modules if you haven't yet. Cheap enough and good to replace for the future anyway. Next would check grounds on the fuel circuit.
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  #122  
Old February 9th, 2010, 01:12 PM
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barry f
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VSS?
I really haven't thrown money at it. I bought an ECU for 75 bucks so not so bad. I thought about ignition module but the RPM going up and down and the fact it restarts easily if it stalls points to it not being that.
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  #123  
Old February 9th, 2010, 01:15 PM
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Charles Galpin
'94 D90 ST, '63 SeriesIIA
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Vehicle Speed Sensor
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  #124  
Old February 9th, 2010, 01:22 PM
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barry f
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where is it?
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Are there shocks that I can addjust up and down like my friends LX460? That would be very cool!
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  #125  
Old February 9th, 2010, 01:42 PM
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Charles Galpin
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http://tinyurl.com/yas5pso
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  #126  
Old February 9th, 2010, 01:46 PM
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barry f
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Charles,

This link is awesome and amazingly douchey. I will be using this technology on Horsey.
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Are there shocks that I can addjust up and down like my friends LX460? That would be very cool!
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  #127  
Old February 9th, 2010, 01:49 PM
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Charles Galpin
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I aim to please
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  #128  
Old February 9th, 2010, 01:53 PM
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Sterling M Archer
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Quote:
Originally Posted by bjf View Post
where is it?
I mentioned this in post #110 of this thread
some call it VSS and some call it just speed sensor or VSS Transducer
Charles bet me to it...

I still think that it is a pinched hose of some sort in your fuel line, or something in the tank (like your bong)
maybe a lose or bad connection with the wires for the fuel pump

and I don't mean beer bong either
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  #129  
Old February 9th, 2010, 01:54 PM
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barry f
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Would the VSS do this? I also think it is something fuel related.
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Are there shocks that I can addjust up and down like my friends LX460? That would be very cool!
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  #130  
Old February 9th, 2010, 02:11 PM
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Neil McCauley
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You know whats wierd is last nite my D90 started developing some kind of slight hesitation then stalled out on me at a red light. It happened right after I filled the tank, then it started right back up with no problems. I think it might of been dirty gas? Its been running fine now since so I don't know what happened, interested in this vss thing you guys are talking about.
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  #131  
Old February 9th, 2010, 03:52 PM
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Phillip
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ignition module.
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  #132  
Old February 9th, 2010, 04:06 PM
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barry f
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the ignition module really would make the rpm go nuts like it is choking?

how much is one and can i just get a new one and plug it in
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  #133  
Old February 9th, 2010, 04:06 PM
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Quote:
Originally Posted by bjf View Post
Would the VSS do this? I also think it is something fuel related.
How much fuel have you gone through since all of this started?

My BMW did this and I used a fuel additive, got it from behind the counter at Napa, and it cleared it up. Ran it through my 90 too just for kicks. If you want I'll look around for it, I wrote it down somewhere, the tech at BMW told me to give it a try since they couldn't diagnose anything that was causing the engine to rev up just a bit. Apparently my @ss isn't a good enough diagnostic tool for them, and seeing it on the guage.
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  #134  
Old February 9th, 2010, 04:09 PM
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barry f
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at least 6000 miles. I tried the LR fuel additive
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Are there shocks that I can addjust up and down like my friends LX460? That would be very cool!
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  #135  
Old February 9th, 2010, 06:17 PM
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My 90 was acting up for a little while. At idle the truck would shake and between 1 and 2000 rpm it would sound like it was suffocating and was stumbling. It would also occasionally stall at idle and stumble or almost stall at a slight push of the gas pedal. I took it to the shop thinking it the 02 sensors were out (previous owner records showed a similar problem that a new 02 sensor fixed). Shop found the 02 sensors were basically caput and replaced them.

Truck ran great for 3 weeks then I had 2 random no starts and the car sounded like it was gasping for gas at startup every now and then. I was also still experiencing almost stalls when softly pressing the gas pedal but the absolutely rough idle and the stumbling between 1 and 2k rpm were gone. I thought it was a fuel problem but knew my relays and fuel filter had been replaced at the 60k service and was sure my fuel pump was fine.
It went back to the shop for a clutch replacement and they found a small leak in one of my lines. I have to check my records to find out what leak it was but since then (200 miles) I have had none of the issues I had before.

I don't know if you were experiencing any of these issues but the new 02 sensors and leak seal fixed my stumbling/stalling problem. I thought for sure it was a fuel issue but those 2 fixes took care of it. I'll check my records tonight and see what the leak was again.

Hope this helps or gives you more annoying things to check out
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  #136  
Old February 9th, 2010, 06:25 PM
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barry f
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hmm will check
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Are there shocks that I can addjust up and down like my friends LX460? That would be very cool!
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  #137  
Old February 9th, 2010, 09:31 PM
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barry f
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Sweet truck is now worse. Used to only do it when it was warmed up now it does it all the time. Might be easier to figure out. I drive, press clutch and it wants to stall
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Are there shocks that I can addjust up and down like my friends LX460? That would be very cool!
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  #138  
Old February 9th, 2010, 10:02 PM
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Mike Doligalski
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The speed sensor (VSS) keeps the motor running when you pull to a stop. My understanding is that it tells the computer to give the motor more fuel when your speed slows.

I'm not sure if your symptoms match up to it exactly, but I think it was relatively cheap and fairly easy to replace. Mine was stalling when I would come to a stop and put the clutch in unless I stayed on the gas.

Edit: Mine also gave code 68 when the VSS when out.
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  #139  
Old February 10th, 2010, 02:11 PM
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barry f
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I solved the problem. I stopped driving it. Kidding. I will check the VSS

thanks
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  #140  
Old February 10th, 2010, 04:56 PM
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Air Flow Meter?
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