Lack Of Power, Sluggish Or Spongy

If engine delivers less power than expected, or if there is little or no increase in speed when accelerator pedal is depressed part way, check the following items:

• Perform VISUAL/PHYSICAL INSPECTION .
• Compare vehicle to a similar vehicle to verify there is a problem.
• Ensure PCV valve system is operating properly.
• Ensure A/C clutch disengages at Wide Open Throttle (WOT).
• Check throttle cable adjustment.
• Verify air intake or exhaust system is not restricted.
• Check for contaminated fuel.
• Check fuel pressure.
• Check in-line fuel filter and replace if dirty or clogged.
• Ensure sufficient secondary spark exists.
• Ensure ignition timing and controls are working properly.
• Check PCM ground connections.
• Check EGR valve and solenoid operation.
• Check charging system output. Repair charging system if voltage is not 12-16 volts.
• Check Torque Converter Clutch (TCC) operation.
• Check for faulty spark plugs.
• Check for defective spark plug wires.
• Ensure valve timing and engine compression are okay.
• Check for worn camshaft.