Date: Sat, 4 Apr 2020 00:52:52 +0000
Reply-To: Dennis Haynes <d23haynes57@HOTMAIL.COM>
Sender: Vanagon Mailing List <vanagon@gerry.vanagon.com>
From: Dennis Haynes <d23haynes57@HOTMAIL.COM>
Subject: Re: Idle Issues with my 2.1 engine - update
In-Reply-To: <000f01d60a1a$7c964a60$75c2df20$@net>
Content-Type: text/plain; charset="us-ascii"
Before you try driving it try checking the intake manifold runners for temperature with the engine running. A stuck intake valve will be apparent as that runner won't be cooled by air flowing through it or it will get hot from cylinder gasses going into it.
Another quick test for a missing cylinder is to use an infrared thermometer on the exhaust ports. The one near coolant temp is the one with no fire.
Dennis
-----Original Message-----
From: Vanagon Mailing List [mailto:vanagon@gerry.vanagon.com] On Behalf Of Jack R
Sent: Friday, April 3, 2020 8:47 PM
To: vanagon@GERRY.VANAGON.COM
Subject: Re: Idle Issues with my 2.1 engine - update
Took a fuel sample, looked clear, but possible small amount of water in the bottle, after letting it sit.
So, added a can of "dry-gas" to the full tank, and seems to have improved slightly, maybe 20% better.
I plan to take it on the road on Saturday to test performance and see if it stalls like before.
Jack
-----Original Message-----
From: Vanagon Mailing List [mailto:vanagon@gerry.vanagon.com] On Behalf Of OlRivrRat
Sent: Friday, April 3, 2020 8:06 PM
To: vanagon@GERRY.VANAGON.COM
Subject: Re: Idle Issues with my 2.1 engine
The Stumble It did When You Gave It Throttle made Me think > Idle Switch
(Probably should call that Throttle Position Switch) Out Of Adjustment or Not Working ~
On 2 Apr , 2020, at 6:14 PM, Jack R wrote:
> My 91 2.1L engine in my 84 Westy, stored over the winter in my heated
garage, developed an idle issue.
>
> It ran perfect all last summer, and into the fall. Last year, I added
Cruise Control, and upgraded the fuel delivery adding the Bosch filter. I suspected vacuum issues due to the Cruise, so I temporally discounted and still had same issue.
>
> Today, I removed and cleaned all electrical connectors to Mass Air
> Flow,
and idle, checked vacuum hoses etc. Note, the plugged hose and line from the air filter has been like that since the engine was installed in 2006.
>
> Now, once warmed up, it wants to stall when idling, seems to drive
> fine,
however at lights, it will stall when starting up.
>
> There are about 60k original miles on the motor.
> Here is a video of the issue.
> https://nam11.safelinks.protection.outlook.com/?url=https%3A%2F%2Fyout
> u.be%2Fg16MY8_78qo&data=02%7C01%7C%7Cc2eb0fda832f49f39ce408d7d831b
> 12a%7C84df9e7fe9f640afb435aaaaaaaaaaaa%7C1%7C0%7C637215580244772804&am
> p;sdata=9Y7Ag%2Fbqs%2Bjxz12WmtFwHepyhdGJRBIBUMUjU6oUY2k%3D&reserve
> d=0
>
> Any advise is welcome!
>
> Thanks,
>
> Jack R.
> 84 Westy Wolfie, N. of Detroit
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