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DRIVEABILITY FIXES CHART HANDY REFERENCE GUIDE

Models Affected: Where Applicable On Chart

This bulletin supersedes Bulletin 82-I-232A, Group 64A, Number 35.

On the inside of this Bulletin is a quick and handy reference chart for Buick's current replacement PROMS and/or EGR to fix owner's driveability comments.

Before using any of the fixes the emission system must be functioning correctly and, if the carburetor (on engines equipped with carburetors) has been adjusted previously, it must be readjusted according to the dimensional setting procedure in the 1984 Buick Chassis Service Manual, using mixture control solenoid gaging tool J33815-1 and idle air bleed valve gaging tool J33815-2.

Also included with this Bulletin are two (2) plastic covered pocket reference cards of the Driveability Fixes Chart. Discard all previously issued white or tan plastic cards.

PRODUCTION SERVICE SERIES/USE CONDITION PART NO. PART NO. ---------- --------- -------- --------- 1980 3.8L DETONATION NONE PROM 1225438 "A" CALIF.

1981 3.8L CHUGGLE, SURGE AFTER HOT EGR 17075656 EGR 17067395 "A" CALIF. SOAK, TIP-IN RESITATION- PROM 1225948 DETONATION

1981 3.8L CHUGGLE, SURGE AFTER HOT NONE PROM 1225446 "A" "A-B-" FED. SOAK, FISH BITE 1225447 "B"

1981-82 3.8L DETONATION ENGINE (SPARK KNOCK)

1981 4.1L "E" RIGH SPEED DETONATION NONE PROM 1226079

1981 3.8L COLD DRTVEABILITY CHOKE KIT "A" FED.& 17068034 CALIF.

1982 3.8L CHUGGLE, TIP-IN SAGS EGR 17082836 EGR 17078431 "C" FED. ECM 16025754 PROM 1225704

1982 3.8L CHUGGLE, TIP-IN SAGS EGR 17082837 EGR 17079784 "G" CALIF. ECM 16026864 PROM 1226031

1982 3.8L CHUGGLE, TIP-IN SAGS EGR 17082839 EGR 17079014 "B" FED. ECM 16026864 PROM 1226030

1982 3.8L DETONATION, TIP-IN SAGS EGR 17082838 EGR 17079787 "B"CALIF. CHUGGLE ECM 16030034 PROM 1225707

1982 3.0L CHUGGLE, TIP-IN HESITATION EGR 17083793 EGR 17079786 "A" FED. (TCC LOCK-LTP 50 MPH) ECM 16029014 PROM 1225448

1982 3.0L TIP-IN HESITATION N/A "A" ALTITUDE

1982 4.1L POOR DRIVEABILITY-FIXED GASKET PART FED/CAL. DWELL BELOW 10 DEG #25516626 "G,B,C,E"

1982 5.0L TIP-IN SURGE DURING LIGHT ECM 16018103 PROM 1226377 "E" FED. ACCELERATION - HOT ONLY

1982 2.5L IDLE SHAKE WHEN A/C CYCLES ECM 16023772 PROM 1226169 "A&X" NATIONAL ON-CRUISE DETONATION

1982 2&4 BBL. TIP-IN HESITATION CURRENT STYLE CARBS.E2ME, PUMP-VIN ENG. E2MC, E4ME CODE A, E, G 17051374-VIN ENG CODE 8 17053072

1983 2.0L DETONATION, CRACKED THROTTLE ECM 16029801 PROM 1226473 "J" FED. DRIVEABILITY, COLD IDLE ECM 16023561 MANUAL 4 & 5 STABILITY ECM 16033061 SPEEDS WITH A/C

1983 2.0L DETONATION, CRACKED THROTTLE ECM 16033051 PROM 1226474 "J" FED. DRIVEABILITY, COLD IDLE STABILITY

1983 2.0L DETONATION, CRACKED THROTTLE ECM 16027111 PROM 1226471 "J" FED. DRIVEABILITY, COLD IDLE ECM 16032261 AUTO 3 SPD. STABILITY

1983 2.0L DETONATION, CRACKED THROTTLE ECM 16027071 PROM 1226477 "J" CALIF. DRIVEABILITY, COLD IDLE ALL MANUAL STABILTTY 4 & 5 SPD.

1983 2.0L DETONATION, CRACKED THROTTLE ECM 16027101 PROM 1226475 "J" CALIF. DRIVEABILITY, COLD IDLE ALL AUTO STABILITY 3 SPEEDS

1982 & 83 POOR COLD ACCELERATION G,B, & C MODELS 4.1L FED. MANUVERS, TIP-IN STUMBLE OR ECM 16034404 THERMAC SENSOR "G" SAG DURING WARM-UP & PROM "G" SERIES EXCESSIVE BURST DETONATION 1226481 "B & C" ECM 16034414 PROM "B & C" SERIES 1226482

1982 & 83 POOR DRIVEABILITY COLD 83 MODEL PROM 1226662 4.1L "E" FEDERAL CHUGGLE TCC ECM 16025524

PROM BRPADCAST SERVICE IMPLEMENTATION SERIES/USE CODE BULLETIN DATE ---------- ---- -------- ---- 1980 3.8L AX 80-T-95A 7/81 "A" CALIF. Grp.60,#57A

1981 3.8L JX 81-T-56 12/7/81 "A" CALIF. Gp.64,#17

1981 3.8L HL 81-T-52 12/81 "A-B-" FED. HH Grp.64,#16

1981-82 3.8L 82-T-44 3/82 ENGINE (SPARK Grp.60,#23 KNOCK)

1981 4.1L "E" DX 81-T-60 4/82 Grp.64,#20

1981 3.8L 81-T-8 12/80 "A" FED.& Grp.62,#2 CALIF.

1982 3.8L AUN 82-T-6 11/30/81 "C" FED. Grp.64,#4

1982 3.8L BBN 82-T-18 2/22/82 "G" CALIF. Grp.64,#8

1982 3.8L BBK 82-T-17 2/26/82 "B" FED. Grp.64,#7

1982 3.8L BOH 82-T-93 8/82 "B"CALIF. Grp.64,#31

1982 3.0L BNR 82-T-88 7/82 "A" FED. Grp.64,#28

1982 3.0L 82-T-118 11/82 "A" ALTITUDE Grp.64,#38

1982 4.1L 82-T-76 6/82 FED/CAL. Grp.64A,#24 "G,B,C,E"

1982 5.0L UL 82-T-107 11/82 "E" FED. Grp.64A,#32

1982 2.5L AOS 82-T-90 7/82 "A&X" NATIONAL Grp.64A,#29

1982 2&4 BBL. 83-103 4/83 CARBS.E2ME, Grp.64,#9 E2MC, E4ME

1983 2.0L CDU 83-132 6/83 "J" FED. Grp.64A,#15 MANUAL 4 & 5 SPEEDS WITH A/C

1983 2.0L CDW 83-132 6/83 "J" FED. rp.64A,#15

1983 2.0L CDS 83-132 6183 "J" FED. Grp.64A,#15 AUTO 3 SPD.

1983 2.0L CFA 83-132 6/83 "J" CALIF. Grp.64A,#15 ALL MANUAL 4 & 5 SPD.

1983 2.0L CDY 83-132 6/83 "J" CALIF. Grp.64A,#15 ALL AUTO 3 SPEEDS

1982 & 83 83-143 7/83 4.1L FED. Grp.64A,#17 "G" CFU

"B & C" CFW

1982 & 83 ASU 83-167 8/83 4.1L "E" FEDERAL Grp.64A,#21

General Motors bulletins are intended for use by professional technicians, not a "do-it-yourselfer". They are written to inform those technicians of conditions that may occur on some vehicles, or to provide information that could assist in the proper service of a vehicle. Properly trained technicians have the equipment, tools, safety instructions and know-how to do a job properly and safely. If a condition is described, do not assume that the bulletin applies to your vehicle, or that your vehicle will have that condition. See a General Motors dealer servicing your brand of General Motors vehicle for information on whether your vehicle may benefit from the information.