VANAGON archives -- March 2001, week 1 (#372)

Date: Mon, 5 Mar 2001 23:57:38 -0400 Reply-To: Chad <groch@WORLDCHAT.COM> Sender: Vanagon Mailing List <vanagon@gerry.vanagon.com> From: Chad <groch@WORLDCHAT.COM> Subject: More O2 Sensor confusion... Content-Type: text/plain; charset="iso-8859-1"

I originally asked the question about the O2 sensors today and how my crappy idle and hesitation disappeared when I disconnected my O2 sensor. Well today I took it upon myself to replace the O2 sensor and low and behold......the new one makes it run WORSE. The idle stumbles really bad. When I coast to a stop with the clutch pressed in the van almost stalls (ie all the leds come on on the dash) but keep running really rough. I noticed while coasting to a stop the tach drops really fast all the way down to ~400RPM and settles around 750-800RPM with the sensor connected. When coasting to a stop with the O2 sensor disconnected the tach drops slower and settles smoothly at 1000RPM. Any suggestions what I should do now???????? Will my fuel mileage go to hell if I drive with no sensor????? thanks, Chad 85GL

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