940 SE L4-2320cc 2.3L SOHC Turbo VIN 87 B230FT (1991)
Intake Air Duct: Testing and Inspection
1.
Check air hoses for good connection at all connecting points (i.e. throttle body, air mass meter... ). Hoses must be properly seated and tight.
2.
Inspect all hoses for leaks, abrasion, damage or heat marks.
3.
Repair and replace as necessary.