

| Subject: | Re: Intermittent no start problem solved |
| From: | Gnarlodious |
| Date: | Sun, 18 May 2014 13:52:23 -0600 |
I hate to be the one to tell you this, but roosters don't lay eggs. That yellow stuff on your face isn't egg. -- Gnarlie On Sun, May 18, 2014 at 12:40 PM, Alistair Bell <albell@shaw.ca> wrote: > Relating this tale in part to illustrate how blind to the obvious one can > be sometimes. > > Over the winter I noticed the van took more turns with the starter to run. > Back then I did do the electrical tests outlined in Bentley to see if some > sensor or something was awry. But everything was in spec. > > B me over the last few weeks the van would sometimes take quite a few > tries with the starter to fire up. I couldn't make out any real pattern, > sometimes it would fire right up, sometimes I would have to crank and crank. > > If I was forced, I would say it happened more often with the engine warm. > > Once started the van ran normally, good power etc. I wasn't happy with the > idle though, seemed rougher than normal. > > So the last few days were spent tracking the problem down. I checked fuel > pressure and all tests passed. I checked spark plugs and replaced 2 year > old plugs with new. Checked distributor rotor and hall sensor. Checked the > D15 connection at fuse panel ( I had fixed that a while back). Lucky I did > pull the fuse panel as I found a very iffy connection at my low beam relay. > > Then I went at the connection box in the engine compartment, left hand > side. My van had the bbw46 heater installed. I had pulled the nonfunctional > heater unit and plumbing but the wiring was still in place. The heater > system has two fuses and a big relay in that box which made the box even > more of a rats nest than normal. I checked the connections, black wires, > that feed the coil, idle system heater, and ecu relay. The wiring to the > connections was hard and the connections didn't look good. I cut back and > replaced the spades. > > All of the above did not fix the problem. Of course at that point I was > cursing myself for not making one of Mark's test wire set ups. If I had I > think I would have saved myself a lot of trouble. > > I had my wife crank the engine and I measured voltage to the coil. I > wondered if there was a voltage drop problem during starting. Well it was > more than a voltage drop, it was a voltage absence during starter cranking. > > I was stumped, I didn't see the obvious. While I was thinking, I cleaned > out the idle valve with brake cleaner. > > We have this hard to capture rooster that has taken to roosting at night > under our bedroom window. So I was up at five this morning. And them it > occurred to me, the ignition switch. > > I got out a spare, and plugged it in to the steering column plug and > turned it with a screwdriver. Engine started up immediately. Tried it again > and again, engine started. Man, did I have egg on my face. I have replaced > a few vanagon ignition switches over the years but overlooked it this time. > > Alistair >
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