Engine - Hot Tip-In Hesitation

1982 Chevrolet Chevette L4-98 1.6LSECTION Engine - Hot Tip-In Hesitation
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Subject:
HOT DRIVEABILITY 1982 CHEVETTES
NUMBER: 82-T-84

SECTION: VI

DATE: JULY, 1982
Some 1982 Chevettes may experience hot tip-in hesitation. If this condition is encountered, the following changes are recommended:

(1) On vehicles with manual transmission (MYl) and Federal (HAS) or altitude emissions (NA6), set initial timing at 8~ BTDC. In addition, install new PROM, P/N 1226080.

(2) On vehicles with automatic transmission (MXl) and
Federal (NA5) or altitude emissions (NA6), set initial timing at 8~ BTDC.

(3) On vehicles with automatic transmission (MXl) and
California emissions (NB2), set initial timing at 8~ BTDC.

(4) On vehicles with manual transmission (MYl) and California emissions (NB2), set initial timing at 4~ BTDC.


Use applicable labor operation.
RENDER: 1.0x

NO RELATED

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • You smell fuel, burning insulation, or see smoke.
  • Brakes feel soft, pull hard to one side, or make grinding noises.
  • The engine overheats, stalls repeatedly, or misfires under load.
  • You are missing required tools, torque specs, or safe lifting equipment.
  • You are not confident in the next step or safety outcome.