Weird st205 AFR's while cruising

From Tune Ups to Oil Changes, maintenance related

Moderator: toayoztan

Weird st205 AFR's while cruising

Postby lalojamesliz1 » Mon Nov 13, 2017 2:49 pm

Does this look normal for a st205 engine/ecu set up?
I have no CEL and the o2 sensor was replaced by the PO but he ran the st205 swap with the oem 540 injectors with a st185 ecu so he ran it rich at low rpms :doh:
Luckily he said most of his miles were Hwy. He said......
A long time ago when I had the gen3 electronics (mr2 ecu) on my gen2 engine the afr's were solid while cruising at the normal 14.7ish afr's
Members don't see the above ad. Register now - it's free!
91 Celica all-trac gen3 swap (small-med $$$ sponge)
69 mustang 408w (large $$$ sponge)
08 sequoia
14 avalon
and a 2 car garage :shoots:
Club Member
Posts: 230
Joined: Sun Jul 23, 2017 3:03 pm
Location: Bakersfield, CA

Return to General Maintenance and Repair

Who is online

Users browsing this forum: No registered users and 1 guest