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jd66921's Blog

It runs again!

Well, it runs again! It has been strange. Everyone said it had a vacuum leak.
I agreed, but didn't know what was leaking. Than I thought about it. Three plugs
showed an indication of running rich. One, #2, looked lean.

I plugged all the vacuum lines as suggested, and then disconnected the cold
start valve. It started right up and idled sort of for two or three minutes.
Then it died. It restarted, but died again after a couple of seconds. All HE's were
hot except #2. Need to look at that. Also, when it dies, it is hard to catch with the
throttle. I wasn't cranking, so I don't know how it felt myself. I had the air flow
sensor removed from the air cleaner, and flipped it over so I could watch it. It
looks normal, opening a little as the car is cranked and most of the way as the
throttle valve opens and the car accelerates.

Now, on to the cylinder #2 problem, and the dying out.

More reading to do, and deciding what to hook up again.

A few more notes on this problem -

1. I have a decel valve, but I did not find it described in the fuel injection
descriptions, nor was it on the drawings. However, when I disconnected it, I found
a hard spot in the small vacuum line. It turned out to be a little "pill" in the line
just before it is connected to the decel valve. This was a small metal thingie that
blocked the vacuum line.

Attached Image

I replaced this line. Sucking on the line indicated that a vacuum was pulled
through this line and vacuum was held. The decel valve has been removed and
plugged, but I may reconnect it later.

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