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Date:         Mon, 2 Oct 2017 09:40:10 -0400
Reply-To:     Lovemyairedales <lovemyairedales@AOL.COM>
Sender:       Vanagon Mailing List <vanagon@gerry.vanagon.com>
From:         Lovemyairedales <lovemyairedales@AOL.COM>
Subject:      Re: Engine running badly
Comments: To: Neil N <musomuso@GMAIL.COM>
In-Reply-To:  <CAB2Rwfjm8Q5vLzqEFAbPiekUMwb7nz3ODKRwfgoFvFqDdN4RyA@mail.gmail.com>
Content-Type: text/plain; charset=us-ascii

I am new to posting a new thread. How do I go about it. Thanks in advance~

Lin

Sent from my iPhone

> On Oct 1, 2017, at 6:06 PM, Neil N <musomuso@GMAIL.COM> wrote: > > What colour were the plugs? Were they all about the same colour? Sure > sounds like a rich run situation. > > My guess is that the green O2 coax is shorting out. Remove the > connector to the green coax, engine off, use voltmeter to check if > theres any continuity between the centre lead and outer coax. There > should be none. If you see continuity, slowly bend the coax. See if > continuity cuts in/out. The other possible cause is a bad hose between > fuel pressure regulator and intake plenum. (hose has a vacuum leak) > > If you're seeing a coolant leak at thick rubber gasket between head > and coolant jacket, the leak *may* be at that thick gasket. However. > This not the head gasket per se. The actual head gasket is between > cylinder and head. Clean the areas involved, do a pressure test, watch > for leak(s). > > Neil. > >> On 10/1/17, Bruno Walser <bruno.walser@comcast.net> wrote: >> >> ...... On our way up, in Maine >> intermittently the car would start to jerk/hesitate. This happened not only >> at high speeds. It was not the "Vanagon syndrome". I disconnected the >> oxygen sensor and things got better. So I got a new oxygen sensor installed >> in Nova Scotia. Car seems to be running ok again, although it felt just a

>> it off. > >> Yesterday I tried to figure out the problem. Now the engine wouldn't even

>> start. I took the spark plugs out. They were completely fouled. I installed >> new ones. The engine starts up and idles normally, but again it seems to >> hesitate and jerk and lower RPM's and low load. I disconnected the oxygen

>> sensor again and things seem to be a bit better. I checked timing, >> temperature sensor, throttle switch, compression, all seems to be ok. > >> BTW, I failed to mention that the engine developed a head gasket leak, but >> it seem still small (barley lost any coolant on our trip). I was told that >> the leak should not cause any running issues, at least as long as it >> doesn't become a more serious leak. > >> Bruno >> 86 Vanagon Westy, 2.1 WBXwith Digifant >> > > > -- > Neil n > > Blog: Vanagons, Westfalia, general <http://tubaneil.blogspot.ca> > > 1988 Westy Images <https://picasaweb.google.com/musomuso/New1988Westy> > > 1981 Westfalia "Jaco" Images, technical <http://tubaneil.googlepages.com/>

> > Vanagon-Bus VAG Gas Engine Swap Group <http://tinyurl.com/khalbay>


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