Lack of Power/Sluggish/Spongy/Stumble

LACK 6F POWER, SLUGGISH OR SPONGY:
^ Verify customers vehicle has an actual problem by comparing it to a similar vehicle.

Check:
^ Restricted air cleaner
^ Restricted fuel filter, contaminated fuel or improper fuel pressure.
^ Exhaust system for restriction.
^ Check secondary voltage using the Saturn service stall Saturn basic engine analyzer (SBEA). A spark tester may also be used to check voltage output of module and coils.
^ Generator output voltage. Repair if less than 9 volts or more than 16 volts.
^ Verify engine has no mechanical knock or spark knock. If knock is present engine timing will be retarded and loss of power will result.
^ Engine value timing, compression or worn camshaft.