Surges and/or Chuggles

DEFINITION
Engine power variation under steady throttle or cruise. Feels like the car speeds up and slows down with no change in the accelerator pedal.

VISUALLY CHECK
- Vacuum hoses for splits, kinks and proper connections, as shown on vacuum hose routing label.
- Ignition wires for cracking, hardness, and proper connections, at both distributor cap and spark plugs.
- Wiring for proper connections, pinches and cuts.

Have driver read explanation of A/C compressor operation in Owner's Manual.
Make sure hot air tube is connected to air cleaner.
Check proper operation of TCA.
Check for proper operation of EGR.
Check carburetor fuel inlet filter; replace if dirty or plugged.
Check carburetor float level, using external float gage.
Test fuel pump capacity.
Remove spark plugs, check for cracks, wear, improper gap, burned electrodes or heavy deposits.
Check condition of distributor cap, rotor and spark plug wires.
Check for arcing to coil attaching screws in distributor cap.
Poor or contaminated gasoline. Excessive alcohol content, suggest owner try different brand.