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Home >> Chevrolet >> 1982 >> Chevette L4-98 1.6L >> Repair and Diagnosis >> Powertrain Management >> Ignition System >> Ignition Timing >> Adjustments >> Equipment Hookup & Adjustment Procedure
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Equipment Hookup & Adjustment Procedure


Set timing at low idle and Before Top Dead Center, unless otherwise specified. Disconnect and plug distributor vacuum hose at distributor oh vehicles without computer control.

1982-86 2.5L (151) & 3.8L (229) engines, ground diagnostic connector.

1982-86 2.0L (122) FI, 2.8L (173) FI, 5.7L (350) FI, 5.0L (305) CFI engines, disconnect bypass connector (tan/black wire).

1981-90 all others W/carburetor, disconnect 4-wire connector at distributor.

Timing MUST be set to specifications on emission label, if different from setting listed. If "Check Engine" light comes on during procedure, remove ECM fuse to clear.