2.0L Eng Idle Switch Modification/Adjustment (CAT. 4, NO. 005/84)

Publication date: 1984-08-28
Reference number: CAT. 4, NO. 005/84

2.0L ENG IDLE SWITCH MODIFICATION/ADJUSTMENT

TECHNICAL SERVICE BULLETIN

Reference Number(s): CAT. 4, NO. 005/84, Date of Issue: 8/28/84

Model: 1985 626

Bulletin No.: 005/84

Date: 8/28/84

Category: 4

The design of the idle switch has been changed for the 1985 626. To simplify the idle switch adjustment, follow the procedure below.

Warm up the engine to the normal operating temperature and run it at idle. (The fan should run at least once)
Pull the canister 2" upward and remove the canister from the mount. Do not remove the hoses from the canister.
Lay the canister out of the way below the intake manifold.

Fig 1: View of Canister
Connect a tachometer.
Connect a voltmeter to the idle switch terminals as shown.
Increase the engine speed to above 2,000 rpm and then decelerate gradually.
Record the reading of the voltmeter. At idle approximately 12V Above 1200-1300 rpm below 1.5V If the readings do not agree with the above specifications, turn the adjusting screw.

Fig 2: Adjusting Idle Switch
Reinstall the canister.