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MOTRS

164

1968-1975 / Sedan / Sweden

All 164 problems All workshop issues
Common Fuel System

Fuel Tank Rust and Sediment

Symptoms

Fuel starvation, rough running, clogged fuel filters, fuel pump failure.

Cause

Steel fuel tanks rust from the inside, especially if the car has sat unused for long periods with stale fuel. Rust flakes and varnish block the fuel pickup and wreck the fuel pump.

Fix

Drop the tank, inspect internally.

If it's rusty, either replace it or have it professionally cleaned and sealed with a fuel-safe liner (POR-15, Red-Kote).

Fit a new fuel pickup sock, inline fuel filter, and inspect all fuel lines for cracking or corrosion.

Replace the fuel pump if it's noisy or weak.

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// More 164 problems

Other known issues

Common Fuel System

Fuel Pump Wear (Mechanical and Electric)

Hard starting, hesitation under load, fuel starvation at higher RPM.
Common Engine

Oil Leaks from Camshaft Seals and Gaskets

Oil weeps or pools around the valve cover, drips down the side of the block, or accumulates around the timing cover. You might also see oil on the bellhousing or clutch/flywheel area.
Common Engine

Carburettor Issues (B30A/E with Dual Strombergs)

Rough idle, hesitation, stalling when cold, uneven running, black exhaust smoke, poor fuel economy.
Critical Engine

Cooling System Neglect

Overheating, coolant loss, white smoke from the exhaust (head gasket failure), corroded radiator, seized water pump.
Common Engine

Ignition System Wear

Hard starting, misfiring, poor performance, backfiring through the carburettor.
Common Cooling System

Radiator Corrosion and Leaks

Coolant loss, overheating, visible corrosion or green staining around the radiator core or end tanks.
View all 23 164 problems