To properly test the K-Jetronic system I purchased a fuel pressure guage only to find out that there were other problems to hinder me.
Support my channel:- https://www.buymeacoffee.com/garageofdad
Here's a couple of really good videos on K-Jetronic troubleshooting
https://www.youtube.com/watch?v=gJkVWWbe8Ys
https://www.youtube.com/watch?v=slCzVrrST2Q&list=PLYv31N4xBnGR--ovr1wkSEhsqhMLRMDPh&index=2&t=1512s
Gauge:- https://www.amazon.co.uk/DHA-Injection-Pressure-Compression-Manometer/dp/B088H89M3X/ref=sr_1_1_sspa?crid=3JFW0XGL3KWVJ&keywords=fuel+injection+pressure+gauge&qid=1674938701&sprefix=fuel+injection+pressure+gauge%2Caps%2C157&sr=8-1-spons&sp_csd=d2lkZ2V0TmFtZT1zcF9hdGY&psc=1
Noid light set:- https://www.amazon.co.uk/gp/product/B000RO8CKE/ref=ppx_yo_dt_b_asin_title_o00_s00?ie=UTF8&psc=1
Chapters:
0:00 Intro
0:45 Pressure Gauge
1:05 Fit Gauge
2:35 System Pressures
8:30 Cold start valve
11:35 Thermotime switch
15:55 Cold start valve again
21:15 Injector test
25:55 Summary