What causes Timing chain stretch and rattle on the Arch Method 143?

Cold start rattle, listen first 10 seconds after startup Estimated fix cost: $800-$1800

What causes Oil consumption and leaks on the Arch Method 143?

Check dipstick, look under car for oil spots Estimated fix cost: $200-$900

Rough idle, misfires, sluggish acceleration under load Estimated fix cost: $300-$700

Check overflow tank, look for white residue around hoses Estimated fix cost: $150-$600

Known issues to inspect before buying a used Arch Method 143. What to check and how much repairs cost.

SERIOUS

Cold start rattle, listen first 10 seconds after startup

Fix cost: $800-$1800

MODERATE

Check dipstick, look under car for oil spots

Fix cost: $200-$900

MODERATE

Rough idle, misfires, sluggish acceleration under load

Fix cost: $300-$700

SERIOUS

Check overflow tank, look for white residue around hoses

Fix cost: $150-$600

☐Pull codes with OBD2 scanner before buying

☐Cold start the engine, listen carefully

☐Check oil level and color on dipstick

☐Request full service history documentation

Decent engine, maintenance history is everything