928S 1986 circular electrical connector??

Reply Subscribe

Thread Tools

Search this Thread

10-03-2021, 08:01 PM

P911c

Cruisin'

Thread Starter

Join Date: Oct 2020

Location: GA

Posts: 9

Likes: 2

Received 2 Likes on 1 Post

928S 1986 circular electrical connector??

Hi all guru's, what is this connector on the image? Also what is main method of engine diagnostics on this engine, as would like to check rich running

Reply Like

10-03-2021, 08:26 PM

Mrmerlin

Team Owner

Join Date: May 2004

Location: Philly PA

Posts: 28,406

Likes: 2,726

Received 2,543 Likes on 1,428 Posts

thats the connector thats used to set the O2 content,
By jumpering 2 of the connections It will shut off the Idle Control Valve,
then you adjust the engine idle with the setscrew at the front of the intake manifold.
Also you will set the mixture with an O2 sensor by adjusting the MAF

Read this link for more info.
https://rennlist.com/forums/928-foru...=adjusting+MAF

Last edited by Mrmerlin; 10-03-2021 at 08:27 PM.