Procedures, Warranty and Labor
CHECKS TO MAKE PRIOR TO SERVICE KIT INSTALLATION
Confirm that the following items are not causing the idle quality concern before proceeding with the service kit installation.
^ Contamination within the idle air by-pass solenoid
^ Lack of fuel system control (excessively rich or lean)
^ Ignition timing change
^ Incorrect or malfunctioning EGR system
^ Incorrect or malfunctioning cooling system
^ Vacuum leaks (air intake manifold, vacuum hoses, vacuum reservoirs, power brake booster where applicable)
^ EEC diagnostics have been performed and vehicle malfunction indicated service output codes have been resolved and cleared.
If any of the areas listed above are found to be at fault, correct them before proceeding with the service kit installation.