Volvo 262 Owner's Manual page 83

1977 Volvo 262 264 265
Possible cause
Defective wires.
Intake system leaking.
Low idle speed.
Exhaust Gas Recirculation Valve seizing. Replace valve.* (Engine will stall at idle.)
Fuel filter clogged.
pg. 78 Service diagnosis
Condition: Low top speed, loss of power
Possible cause
Air filter clogged.
Throttle misadjusted.
Incorrect timing or dwell
angle.
Fuel filter clogged.
Condition: Excessive fuel consumption
Possible cause
Fuel lines leaking.
Spark plugs worn
Incorrect timing.
Air filter clogged.
Control pressure
incorrect.
Cold start injector
leaking.
file:///K|/ownersdocs/1977/1977_262_264_265/77262264265_03c.htm (9 of 11)12/22/2006 10:08:32 PM
Correction
Check wire terminals at: fuel pump, fuse No. 7, coil,
distributor, ignition switch and relays and air flow sensor.
Check hose connections to cold start valve and auxiliary air
valve.
Adjust.*
Clean fuel tank filter and replace line fuel filter.
Correction
Check air filter.*
Check that the throttle touches the high speed stop when the
accelerator is fully depressed.*
Check and adjust.*
Clean fuel tank filter and replace fuel line filter.*
Correction
Check tightness.
Replace plugs.
Check/adjust.*
Check/replace.*
Check/replace control pressure regulator.*
Replace injector.*
(A leaking cold start injector also causes uneven idle and hard
starting.)