626 L4-2184cc 2.2L SOHC Turbo F2 (1988)
Idle/Bypass Air Control Valve: Technical Service Bulletins
Secondary Air Injection - Coolant Leak, Idle Speed Hunt
Category 4
Applicable Model/s 1988 626/MX-6
Subject BYPASS AIR CONTROL VALVE
Bulletin No.
070/89
Issued
12/29/89
Revised
DESCRIPTION
The following conditions may be caused by coolant leakage from the BAC (Bypass Air Control) valve.
^
Idle speed hunting at approximately 1700 rpm
^
White exhaust smoke
^
Engine coolant loss
^
Engine overheating
If you encounter these problems, please carry out the checking procedure listed in this bulletin.
INSPECTION PROCEDURE
1.
Coolant Circulation Check at BAC Valve
Check the engine oil and coolant level and their condition.
Start the engine and warm it up to the normal operating temperature.