I vote for the TPS. I had the same issue. I picked up another Throttle Position Switch, cleaned out the throttle body, installed the new-to-me TPS and the bogging issue was resolved.
Jim Wilmington, NC
On Tue, Dec 1, 2009 at 7:25 PM, Scott Daniel - Turbovans < scottdaniel@turbovans.com> wrote: > throttle switch. > I'm finding *many* vanagon throttle switches not making contact at idle. > I'm finding the later type switches ( where it's one switch mounted under > the throttle body , which is late 85 1.9's and all 2.1's ) ........that > they > are hard to get to an adjustment, or to 'reach' a spot with proper switch > function - like I'm at the limit of the adjustment range on one end. > > I'm also finding them corroded, stripped, and impossible to adjust. > That the ECU knows the engine is at idle, is *very* important. > Suggest you check that carefully. > > Scott > www.turbovans.com > > > ----- Original Message ----- > From: "James V" <tornadored@GMAIL.COM> > To: <vanagon@GERRY.VANAGON.COM> > Sent: Tuesday, December 01, 2009 3:49 PM > Subject: Re: cold start skipping > > > On Tue, Dec 1, 2009 at 1:47 PM, Dave Lindemann <d_g_lindemann@yahoo.com> > wrote: > >> The van is great but it takes a few minutes to warm up. It starts right >> up, but there is an engine skip when it first starts up. If I let it run >> for 3 or 4 minutes, the skip goes away and off I go. If I try to drive >> with the skip, it is very difficult not to stall and the van bucks with >> extremes of stopping and going. >> > > Having a similar problem w/ my 86 Syncro, even after new Temp 2 sensor > and O2 Sensor. Pugs/wire/cap/rotor also new. Going to clean grounds > next, then dive into the AFM. But I'm interested in any continued > advice to feed the back of my little brain. > > Thanks, > > James V > 86 Syncro Westy > |
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