A/C On - Surging Idle - Low AFRs

Anything not covered in the other forums.
Schemasservice
Posts: 30
Joined: 2022 Apr 18, 23:00
Location: Faribault, MN
Vehicle Information: 68 Mustang with 96 Explorer 5.0H.O. Stroked to 347. Trickflow intake/ heads. Flowtech custom Cam. CTBAE, SLL4.

Re: A/C On - Surging Idle - Low AFRs

Unread post by Schemasservice »

Check voltage drop from compressor to battery ground with compressor running. It should be close to 0. check your grounds. compressor to engine block, engine block to frame. A bad ground can cause this with voltage backfeeding where ever it can.
Post Reply