Operation CHARM: Car repair manuals for everyone.
Manuals through 2025 now available!

Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.

LEMON is the spiritual successor to CHARM, I recommend you try it!

Link: lemon-manuals.la or lemon-manuals.org.ua

(Some people have issue connecting. LEMON is investigating. For now, use Firefox or change your DNS server)

Or, hide this message: temporarily or permanently

Engine Difficult to Start When Cold

SYMPTOM:
Engine Difficult To Start Cold

Check:
1. PGM-CARB Control Unit (BU)
2. Carburetor
a. Automatic Choke/Fast Idle System
b. Air Vent Cut-Off (Inner Vent) Solenoid Valve
c. Primary Slow Mixture Cut-Off Solenoid Valve
d. Slow Air Jet Control
3. Evaporative Control System
4. Feedback Control
5. Exhaust Gas Recirculation (EGR)