Model Covered: Volvo 240 Series (base manual); 260 Series/B27F engine (via supplement)

Sections Covered:
- Complete Check of System
- Isolating Fault Conditions
- Diagnostic Flowchart (frequency valve, dwell meter, module terminal readings)
- Supporting Information (system lay-out, components, wiring diagrams, fuel system lay-out)
- Supplement: B27F Oxygen Sensor Feedback System (260 Series)

Genuine Volvo factory dealer Service Manual, Section 2, Group 24, Fault Tracing — Oxygen Sensor Feedback System, order no. TP 11585/3, printed November 1983, U.S.A., 21 pages. Standalone diagnostic flowchart manual for troubleshooting the oxygen sensor feedback system, with a supplement extending coverage to the B27F engine as introduced on the 260 Series. Includes wiring diagrams (black and white).

Fore-edge is excellent. Cover is very good. Interior pages are as new throughout. Overall condition: Very good.

Polybagged and shipped in a padded mailer. What you see is what you get.

Every listing is documented with detailed photos of all edges, covers, and interior condition — if it isn't shown, it isn't there.

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