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MOTRS

122S Amazon

1956-1970 / Sedan / Estate / Sweden

All 122S Amazon problems All workshop issues
Common Fuel System

Fuel tank rust

Symptoms

Sediment in fuel filter. Clogged jets. Fuel starvation. Sometimes visible rust flakes in the filter.

Cause

Steel tanks rust from the inside. Water condensation, old fuel, decades of sitting.

Fix

  1. 1 Drop and inspect the tank. If surface rust only, clean with phosphoric acid or a commercial tank liner kit (POR-15, Kreem)
  2. 2 If perforated or heavily scaled, replace. Reproduction tanks ~$300-500
  3. 3 Fit an inline fuel filter between tank and pump. Replace it annually if the tank's sketchy
Cost mentioned in fix
~$300-500

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// More 122S Amazon problems

Other known issues

Critical Fuel System

Fuel pump failure (mechanical)

Car cranks but won't start. Sputters and dies. No fuel pressure.
Common Engine

Oil consumption

You're burning through a quart of oil every 500-1,000 km. Blue smoke on startup or under load.
Common Engine

Carburetor flooding or poor idle

Hard starting, fuel smell, rough idle, stalling. Sometimes floods and won't start at all.
Critical Engine

Overheating

Temp gauge creeps into the red. Coolant boils over. Steam.
Common Engine

Ignition timing and misfires

Pinging under load, backfiring, flat spots, poor throttle response.
Common Cooling System

Leaking radiator

Puddles of coolant under the car. Overheating.
View all 25 122S Amazon problems