Manuals through 2025 now available!

Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.

LEMON is the spiritual successor to CHARM, I recommend you try it!

Link: lemon-manuals.la or lemon-manuals.org.ua

(Some people have issue connecting. LEMON is investigating. For now, use Firefox or change your DNS server)

Or, hide this message: temporarily or permanently

Engine Controls - Revised Code 34 (MAP Sensor) Chart

9216chevy02

Number: 90-35O-6E

Section: 6E

Date: October 1990

Corporate Bulletin No.: 016531

Subject:
DRIVEABILITY AND EMISSIONS
REVISED CODE 34 CHART

Model and Year:
1990 CORVETTE WITH 5.7L
L98 (VIN CODE 8) ENGINE

TO: ALL CHEVROLET DEALERS

The attached Code 34 diagnostic chart replaces the diagnostic chart found in DRIVEABILITY AND EMISSIONS (SECTION 6E3) on page 6E3-A-47 of the 1990 "Y" 5.7L L98 (VIN 8) Corvette Service Manual.