Haltech F10 - Manual (Page 87)

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SECTION 5 Appendices
APPENDIX A TROUBLESHOOTING
This Appendix is devoted to trouble shooting problems that may occur during installation of
the F10 ECU. To use this Appendix, find the symptom or symptoms from the list below that
best match the problem and then follow the checklist for possible solutions.
A.1 Overview
Control Program Problems
• The Haltech Programming Software will not load up
• The Haltech Programming Software will not operate in ONLINE mode.
• The Engine Data Page is displaying unusual sensor readings
Starting Problems
• Fuel Pump does not prime when ignition switched on.
• The engine makes no attempt to start
Idling Problems
• The engine will not idle when cold
• The engine idles too slow
• The engine idles too fast
• The engine surges at idle
Light Throttle and Cruising Problems
• Engine will not run at light throttle
Full Power Problems
• Engine dies under full throttle
• Engine surges under full throttle
• Engine lacks power at full throttle
Throttle Response Problems
• Poor throttle response
• Poor throttle response when cold
Cold running problems
• Engine runs poorly when cold
Fuel Economy problems
• Poor fuel economy - city cycle
• Poor fuel economy - Highway cycle