Operation CHARM: Car repair manuals for everyone.

High Energy Ignition (HEI) System - TBI



IDLE SPEED


The Idle Speed on these engines is controlled by the ECM, and no adjustment is necessary.


MINIMUM IDLE AIR RATE

Transmission Gear Idle Speed IAC Counts Open/Closed Loop (2)

Man. N 425+/-25 (1) CL

Auto. P 425+/-25 (1) CL

(1) No IAC counts are provided for this vehicle.

(2) Let engine idle until proper fuel control status is reached (open/closed loop).


TIGHTENING SPECIFICATIONS

AIR pump pulley bolts 10 ft. lbs

EGR valve bolts (2) 14 ft. lbs.

EGR regulator valve and bracket nut 16 ft. lbs.

Manifold to Runner bolts 25 ft. lbs.

Oxygen sensor 30 ft. lbs.

Plenum bolts 19 ft. lbs.

Throttle Body bolts 20 ft. lbs.

TIMING SPECIFICATIONS

Initial Timing 6~ BTDC