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tjet Samba Member
Joined: June 10, 2014 Posts: 3528 Location: CA & NM
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Posted: Tue Feb 19, 2019 4:43 pm Post subject: Re: Zetec Bostig Stumbles, Sputters, Won't Run NOPE NOT SOLVED |
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Try spraying some carb cleaner in the throttle body and see if it will fire. |
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tristessa Samba Member
Joined: April 07, 2004 Posts: 3992 Location: Portland, OR
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Posted: Tue Feb 19, 2019 10:39 pm Post subject: Re: Zetec Bostig Stumbles, Sputters, Won't Run NOPE NOT SOLVED |
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I don't see anything about the fuel pressure being checked. Just because the pump is pushing doesn't mean the system is pressurizing like it needs to... |
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squeegee_boy Samba Member
Joined: April 27, 2008 Posts: 758 Location: Langley, BC, Canada
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Posted: Tue Feb 19, 2019 10:40 pm Post subject: Re: Zetec Bostig Stumbles, Sputters, Won't Run NOPE NOT SOLVED |
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I have 2 ideas, both of which have happened to me (crank no start).
1. Unplug, clean, and reconnect the crank position sensor connector. It's down the passenger side of the engine:
You won't need a wrench, this is just the only pic I could find.
The connector frankly doesn't fit that well, and if the ECU can't tell that the flywheel is spinning via that sensor, it won't make a spark. This problem can be annoyingly intermittent.
2. Since you have a Bostig 2.0, you have the Focus ECU, and thus the security key zip tied to the detector in the ECU box. The key may have shifted, and I've read more than one account of the RFID chip in the key shuffling off this mortal coil. Open the box, make sure the key is tied securely and can't bounce around.
Robyn _________________ 1984 FrankenSyncro Westy. EJ25 RMW kit
1971 Super Beetle with an EJ22. Oh yes. Daily driver |
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Microbusdeluxe Samba Member
Joined: July 26, 2003 Posts: 977 Location: Bellingham, WA
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Posted: Tue Feb 19, 2019 11:36 pm Post subject: Re: Zetec Bostig Stumbles, Sputters, Won't Run NOPE NOT SOLVED |
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Are you sure you coil is good? Try another coil and go ahead with a new fuel filter and a shot of engine fuel system cleaner. Engine start spray takes the entire fuel system out of the system so it’s spark or timing of spark. _________________ '69 Squareback RIP
'65 21 window deluxe sold before the price spike, damn it.
'70 rhd bay now a taxi in South Sudan
'81 Westy sold
'89 hightop Westy Joker syncro 16" now with Bostig! |
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JudoJeff Samba Member
Joined: May 24, 2013 Posts: 1179 Location: Near Springfield, MA
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Posted: Wed Feb 20, 2019 8:06 am Post subject: Re: Zetec Bostig Stumbles, Sputters, Won't Run NOPE NOT SOLVED |
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I think it’s electrical. Checking the KPS very good idea. Look at CPS too.
The ECU wires should be checked. A pin slightly off can prevent contact. A poor ground or cracked board can cause intermittent problems.
Ignition switch making poor contact might be cause, doubt it because it does crank.
PITA to find, but keep looking at electrical wires. VOM big help.
Good luck. _________________ ________________________________________
1989 Vanagon GL Westfalia Camper, Burned up on 7/31/16.
1987 Vanagon GL Westfalia Camper, Bostig & Rebuilt, sold
1986 Vanagon GL Westfalia Camper, Bostig Sold May 10, 2021
1999 Ford GTRV Westfalia camper (30% bigger Westy layout) |
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danfromsyr Samba Member
Joined: March 01, 2004 Posts: 15129 Location: Syracuse, NY
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Posted: Wed Feb 20, 2019 8:12 am Post subject: Re: Zetec Bostig Stumbles, Sputters, Won't Run NOPE NOT SOLVED |
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the 'crank' portion of the IGN switch is a different set of contact points than the 'IGN' portion of the switch..
just cause it cranks doesn't mean it has IGN power.
also while testing with a volt meter or light will indicate it gets +12v power
it doesn't indicate it gets enough current to actually provide power to the other items.
best to test with a jumper/hot wire.. _________________
Abscate wrote: |
These are the reasons we have words like “wanker” |
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SyncroButter Samba Member
Joined: February 02, 2016 Posts: 383 Location: Seattle
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Posted: Wed Feb 20, 2019 8:45 am Post subject: Re: Zetec Bostig Stumbles, Sputters, Won't Run NOPE NOT SOLVED |
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No new ideas from me, but some great ones above... the ignition switch seems like a good place to start, we know that is a weak point of vanagons in general and hopefully you have a spare that you carry around anyway.
Sending Bostig/Vanagon mojo your way jyl! _________________ Grant
In the stable: 1986 Syncro Westfalia/Bostig, 1989 Doka Tristar, 1974 Vespa Rally 200, 1973 Vespa Primavera 125, 1963 Solex 2200, 1938 Buick Special
Gone but not forgotten: 1989 Porsche 944, 1973 Standard Beetle |
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jyl Samba Member
Joined: February 13, 2007 Posts: 235
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Posted: Wed Feb 20, 2019 2:21 pm Post subject: Re: Zetec Bostig Stumbles, Sputters, Won't Run NOPE NOT SOLVED |
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Thanks guys. Great ideas that I'd never have thought of! _________________ 1988 Westy, Bostig v2.0 |
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driverdave Samba Member
Joined: October 15, 2014 Posts: 66 Location: Denver, CO
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Posted: Wed Feb 20, 2019 2:35 pm Post subject: Re: Zetec Bostig Stumbles, Sputters, Won't Run NOPE NOT SOLVED |
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Have you confirmed spark yet?
Pull a plug, crank, and check for spark. _________________ 1984 Vanagon Westy with a 91 EJ22 KEP Conversion |
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wcdennis Samba Member
Joined: July 20, 2004 Posts: 954 Location: Winston-Salem NC
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Posted: Wed Feb 20, 2019 8:08 pm Post subject: Re: Zetec Bostig Stumbles, Sputters, Won't Run NOPE NOT SOLVED |
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Don't you have full OBDII diagnosis with the Bostig? Can you borrow a scanner? You could check a lot of things in a hurry by accessing the engine computer. |
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Microbusdeluxe Samba Member
Joined: July 26, 2003 Posts: 977 Location: Bellingham, WA
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Posted: Thu Feb 21, 2019 12:38 am Post subject: Re: Zetec Bostig Stumbles, Sputters, Won't Run NOPE NOT SOLVED |
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Have you pulled a plug while cranking to check for spark? Though be careful a weak coil will spark, but not enough to fire, hence try a new coil with carb spray. _________________ '69 Squareback RIP
'65 21 window deluxe sold before the price spike, damn it.
'70 rhd bay now a taxi in South Sudan
'81 Westy sold
'89 hightop Westy Joker syncro 16" now with Bostig! |
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chrishazen Samba Member
Joined: April 18, 2015 Posts: 7 Location: SW Colorado, buried in snow
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Posted: Tue Apr 02, 2019 2:48 pm Post subject: Re: Zetec Bostig Stumbles, Sputters, Won't Run NOPE NOT SOLVED |
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Anything new here? Having same symptoms, except that once started it seems to run w/o sputtering or stalling.
'87 w/ RG5 _________________ 1987 Westfalia, Bostig RG5 |
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jyl Samba Member
Joined: February 13, 2007 Posts: 235
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Posted: Sat Jul 06, 2019 4:33 pm Post subject: Re: Zetec Bostig Stumbles, Sputters, Won't Run NOPE NOT SOLVED |
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MAJOR DRAMATIC UPDATE.
Not really, but anything feels like progress at this point.
First, I'm sorry I've left this hanging - been super busy and the van has just sat in the street for months. Finally my wife blew her stack so...
Bought OBDII scanner. Codes are P0351 and P0352, which indicates electrical problem in coilpack A and B corresponding, I guess, to cylinders 1 and 2. So off to buy a new coil - wait, this is a new coil - whatever, let's go spend $67. Install new coil, van starts up immediately.
But hmm. The idle seems a little abnormal. Not a strong even idle, its a little wavering, and every now and then it dips and threatens to die. Maybe that's because the van has sat for at least 5 months. Turn off motor, starts right up, idles in that same thready way. But at least it's running.
Now to move it into the driveway, because wife won't have it sitting on the street for another X months. WTF, the brake pedal goes straight to the floor. The brakes were okay when it was parked...so I guess I have another thing to deal with. Cautiously drive the van into the driveway and that's it for the day.
So, problem A is the slightly wavering, thready idle. Maybe it's a problem, maybe it's not. But after having so much trouble with the van, I know I'm not going to put it back in service until I'm convinced everything is fixed. Ideas?
Just to review: the problem is that the van has been either not starting, or starting normally but dying and unable to be restarted. New fuel pump, filter, line. New plugs, wires, coil, now another new coil. New cable from fuel pump to ECU box (you may remember the old cable somehow got caught in the half shaft and ripped out from the harness). Rechecked OBDII scanner, no codes now. Gas tank is nearly empty, if that matters - I have a fuel container and will go put some more gas in the tank before resuming investigation.
Problem B is the brakes, I'll take a look and start another thread about that if needed. Maybe about time to refresh fluid, pads, etc anyway.
The goal is to get the van to be the daily driver because my other car, that I've been daily driving, is needing some attention. That's an old 911, it is running a little rough and has some body stuff and paint stuff needed.
I would, by the way, be delighted to pay a professional to fix this...I haven't found anyone in Portland OR who works on Bostig Vanagons but a referral would be most welcome. My diagnostic skills are crap and, as you can tell, I don't have much spare time to wrench. _________________ 1988 Westy, Bostig v2.0 |
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shizzon Samba Member
Joined: July 25, 2006 Posts: 596 Location: Boulder, CO
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Posted: Sun Jul 07, 2019 4:27 pm Post subject: Re: Zetec Bostig Stumbles, Sputters, Won't Run NOPE NOT SOLVED |
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Someone else can chime in here better than I I'm sure, but I wonder if you have a huge vacuum leak that is causing the brake booster to not work and also causing the idling problem? I'm not sure what happens if you lose the brake booster and if that is consistent with the symptoms you are experiencing.
I'd do a visual check on the vac line coming off the intake manifold. while its idling you could also try pinching off or clamping off that line right at the outlet and see if the idle gets better. if so, that would indicate a vac leak. hopefully someone with more knowldege can chime in.
oh, and please - send jim a ticket and log! _________________ 1989 Bostig Syncro Westy |
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SyncroButter Samba Member
Joined: February 02, 2016 Posts: 383 Location: Seattle
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Posted: Mon Jul 08, 2019 3:25 pm Post subject: Re: Zetec Bostig Stumbles, Sputters, Won't Run |
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John Sullivan wrote: |
I had a very similar problem with my bostig zetec. It died in Dewey Beach Delaware right on the road. But it had been acting up, sputtering and missing when I hit bumps for a while. I had changed fuel filter, fuel pump finally I replaced the coil pack and all seemed well. A couple of month later it started acting up again.
So in my driveway, i started moving things. I came to the harness and wires into the coil the 3 wire connector which when I lifted it, it misfired. I did it and it missed every time I moved that cable. I turned off the engine and pulled on each of the wires going to the connector and one came right out. Oh man. I looked at the connector and the crimp on that wire had missed the copper. I got a new pin from Ford, about $2. I removed and crimped wire and reinstalled in connector. No problems since. It was a bad pin crimp the whole time. I chased this for more than a year. |
Did you look into replacing the connector as John Sullivan recommended? Seems unlikely that the coils themselves are crapping out this fast, but each one is re-using this part and the 3 wires have been known to go bad. There are two signal wires and the third thicker wire is 12V to the coil, the signal wires going intermittent would seem consistent with the issue. _________________ Grant
In the stable: 1986 Syncro Westfalia/Bostig, 1989 Doka Tristar, 1974 Vespa Rally 200, 1973 Vespa Primavera 125, 1963 Solex 2200, 1938 Buick Special
Gone but not forgotten: 1989 Porsche 944, 1973 Standard Beetle |
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jyl Samba Member
Joined: February 13, 2007 Posts: 235
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Posted: Mon Jul 08, 2019 7:43 pm Post subject: Re: Zetec Bostig Stumbles, Sputters, Won't Run NOPE NOT SOLVED |
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I started the van, got the weak thready idle.
Tried tugging and pushing on the connector to the coil. I can indeed affect the idle by pushing and pulling on the wire to the connector. I have to try to do it, but seems the connection should ignore all but a deliberate removal of the connector?
Went looking for an errant vacuum line. Looking down on the drivers side of the engine, I see two vacuum nipples that look suspiciously clean, like something used to be there. If I put my finger over either or both nipple, the idle improves dramatically. What is supposed to be here?
_________________ 1988 Westy, Bostig v2.0
Last edited by jyl on Mon Jul 08, 2019 10:36 pm; edited 1 time in total |
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MsTaboo Samba Member
Joined: June 02, 2006 Posts: 4065 Location: East Kootenay, British Columbia
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Posted: Mon Jul 08, 2019 8:22 pm Post subject: Re: Zetec Bostig Stumbles, Sputters, Won't Run NOPE NOT SOLVED |
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Nothing, there's your vacuum leak, cap those babies.
Ignore the red text, for a different question
_________________ Currently:
'90 Syncro Westy 3 knob w/Zetec
The information age has morphed into the age of disinformation and willful ignorance. Agnotology!
Help the fight against Truth Decay.
Defend democracy, support Ukraine. |
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jyl Samba Member
Joined: February 13, 2007 Posts: 235
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Posted: Tue Jul 09, 2019 12:27 pm Post subject: Re: Zetec Bostig Stumbles, Sputters, Won't Run NOPE NOT SOLVED |
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I am utterly baffled as to how those nipples came to become uncapped. _________________ 1988 Westy, Bostig v2.0 |
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JudoJeff Samba Member
Joined: May 24, 2013 Posts: 1179 Location: Near Springfield, MA
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Posted: Tue Jul 09, 2019 12:35 pm Post subject: Re: Zetec Bostig Stumbles, Sputters, Won't Run NOPE NOT SOLVED |
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jyl, use some RTV or similar to lock those caps down! _________________ ________________________________________
1989 Vanagon GL Westfalia Camper, Burned up on 7/31/16.
1987 Vanagon GL Westfalia Camper, Bostig & Rebuilt, sold
1986 Vanagon GL Westfalia Camper, Bostig Sold May 10, 2021
1999 Ford GTRV Westfalia camper (30% bigger Westy layout) |
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MarkWard Samba Member
Joined: February 09, 2005 Posts: 17007 Location: Retired South Florida
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Posted: Tue Jul 09, 2019 2:28 pm Post subject: Re: Zetec Bostig Stumbles, Sputters, Won't Run NOPE NOT SOLVED |
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Cheap ass Chinese rubber. They probably split and fell off. A piece of vacuum hose with a screw in the end of it looks rigged, but will probably last forever. If both ports have vacuum a loop of hose would work too. _________________ ☮️ |
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