Lack of Power, Sluggishness, or Sponginess. Saturn SL1/SC1 2002

For 1990-2009 cars only

Makes 🢒 Saturn 🢒 2002 🢒 SL1/SC1 🢒 Engine 🢒 Engine Controls - 1.9L 🢒 Lack of Power, Sluggishness, or Sponginess

Checks

Actions

DEFINITION: Engine delivers less than expected power.

Verify customer's vehicle has an actual problem by comparing it to a similar vehicle.

Air Filter

Check air filter for restriction.

Fuel Filter

Check for restricted fuel filter.

Fuel

Check for contaminated fuel.

Fuel Pressure

Check for improper fuel pressure.

Exhaust System

Check exhaust system for restriction.

Generator charging output voltage

Repair if less than 13 volts or more than 16 volts with engine running and all accessories off.

Engine

•	Verify engine has no mechanical knock or spark knock. If knock is present, engine timing will be retarded and loss of power will result. View spark modifiers on a scan tool.

•	Check engine valve timing, compression or worn camshaft.

Spark Plugs

Check for worn spark plugs.