

| Subject: | Re: Engine stalling at high speed |
| From: | Tyler Hardison |
| Date: | Sat, 16 Apr 2016 14:37:20 -0700 |
On a side note, I am trying to actually vacation so I may not respond right away but will respond as soon as I can. If you're going to come visit, call me at 2093155337.. --t On Saturday, April 16, 2016, Tyler Hardison <tyler@seraph-net.net> wrote: > One switch. My build date is 3/85 > > On Saturday, April 16, 2016, Stuart MacMillan <stuartmacm@gmail.com > <javascript:_e(%7B%7D,'cvml','stuartmacm@gmail.com');>> wrote: > >> My '85 with a build date of 8/84 has the two switches. Missed the cut, >> and Tyler's might have too. >> >> Stuart >> >> -----Original Message----- >> From: Vanagon Mailing List [mailto:vanagon@gerry.vanagon.com] On Behalf >> Of Dennis Haynes >> Sent: Saturday, April 16, 2016 12:32 PM >> To: vanagon@GERRY.VANAGON.COM >> Subject: Re: Engine stalling at high speed >> >> The 2 separate throttle switches was replaced with the single cam switch >> somewhere mid 84. All 85's have the later set up. 86 with the 2.1 also go a >> larger throttle plate. >> >> However speaking of blockages a catalyst that is broken down into ta golf >> ball size chunk can also block the exhaust causing engine shut down. If >> exhaust can’t get out air can’t get in. >> >> Dennis >> >> >> -----Original Message----- >> From: Stuart MacMillan [mailto:stuartmacm@gmail.com] >> Sent: Saturday, April 16, 2016 3:14 PM >> To: 'Dennis Haynes' <d23haynes57@HOTMAIL.COM>; vanagon@GERRY.VANAGON.COM; >> Tyler Hardison <tyler@SERAPH-NET.NET> >> Subject: RE: Engine stalling at high speed >> >> Tyler has the single wire '85 1.9 O2 sensor according to his first post. >> Any short would be directly to that wire, easy to check at the harness >> connection with an ohm meter. That also means he has two throttle position >> switches, one closed throttle and one full throttle. Misadjusted closed >> switch will give bucking when crusing around 35 mph but it will clear >> beyond that. >> >> My money is on a clogged fuel pick up in the tank. I've heard of >> cardboard getting into improperly packaged tanks and causing this. :-( >> >> Stuart >> >> -----Original Message----- >> From: Vanagon Mailing List [mailto:vanagon@gerry.vanagon.com] On Behalf >> Of Dennis Haynes >> Sent: Saturday, April 16, 2016 11:18 AM >> To: vanagon@GERRY.VANAGON.COM >> Subject: Re: Engine stalling at high speed >> >> When opening the throttle makes things worse it is usually a fuel >> delivery problem, too lean or too rich can have a similar feel. Try >> resetting the ignition switch while still rolling. The steering should not >> lock until the key is turned all the way off and then lifted as when being >> removed so there should not be a fear of that. If it clears and goes for a >> while than most likely you have an O2 sensor circuit problem. Could be bad >> sensor or a wiring problem. A simple wiring test if you have ammeter handy >> is as follows. Disconnect the sensor and strip back the outer jacket on >> that green wire to get to the outer braid. With the ignition on (engine not >> running) check the voltage from the O2 sensor connection to the chassis. >> Should be ~.5 to .6 volt. Now check the outer braid to chassis. Must be >> real close to "0". Start engine and check again. Should be the same. If the >> outer braid is getting stray voltages you have a grounding problem. >> Anything near or .2 or above can put the ECU into a runaway rich condition. >> >> Dennis >> >> >> -----Original Message----- >> From: Vanagon Mailing List [mailto:vanagon@gerry.vanagon.com] On Behalf >> Of Tyler Hardison >> Sent: Saturday, April 16, 2016 1:12 PM >> To: vanagon@GERRY.VANAGON.COM >> Subject: Re: Engine stalling at high speed >> >> The engine behaves like it has a very extreme rev limiter in place. If I >> press in the clutch it dies. From there I can restart the engine like >> nothing happened. >> >> The AFM was replaced June of last year. >> >> O2 sensor around the same time. >> >> Coolant temp sensor in July of last year. >> >> Cleaned and tested the auxiliary air valve last month. >> >> New throttle body gasket last month. >> >> New fuel filters last month. >> >> New fuel tank two weeks ago. >> >> This problem feels electrical to me. Fuel starvation should cause poor >> running like a lean condition. Right? >> >
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