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)

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Engine Difficult to Start When Cold

Check:

1. Coolant Temperature (TW) Sensor (6)
2. Fast Idle Valve
3. Manifold Absolute Pressure (MAP) Sensor (3)(5)
4. TDC/CRANK/CYL Sensor (4)(8)(9)
5. Atmospheric Pressure (PA) Sensor (13)
6. Electronic Control Unit (ECU) (BU)

NOTE:
After each symptom, the system that could be the source of the symptom are listed and should be checked in the order they are listed, beginning with #1.

(BU) code used when the CHECK ENGINE warning light is on. Jump the service check connector, if no code is displayed (CHECK ENGINE LIGHT stays on steady), the back-up system is in operation.

Self-diagnosis indicator, (CHECK ENGINE LIGHT) blinks (?), will follow associated systems.