# Service bulletin 99066C

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

- Type: Service bulletin
- NHTSA id: 617575
- Published by NHTSA: 2001\-03\-19
- Manufacturer's number: 99066C
- Manufacturer's date: 2000\-11\-14
- Replaces: 99066B
- NHTSA component: VEHICLE SPEED CONTROL:CRUISE CONTROL

## NHTSA's summary

SOME OWNERS OF 1996 \- 1998 MODEL YEAR S/T, M/L, C/K, G, P AND W4 TRUCKS, THAT ARE REGISTERED IN CALIFORNIA, EQUIPPED WITH 4.3L, 5.0L OR 5.7L ENGINE, AND CALIFORNIA EMISSIONS, MAY EXPERIENCE A SERVICE ENGINE SOON LIGHT, MISFIRE, ROUGH IDLE OR HARD START DUE TO A DEPOSIT BUILD\-UP ON THE SEQUENTIAL CENTRAL PORT FUEL INJECTOR \(SCPI\) POPPET VALVE\(S\). \*TT

## The document

No address for NHTSA's copy can be built for this communication. Ask the dealer for it by the manufacturer's number.

## Components

Throttle and cruise control

## Vehicles listed

- 1999 CADILLAC C/K SERIES
- CADILLAC CADILLAC TRUCK
- 1996 to 1999 CHEVROLET C/K SERIES
- CHEVROLET CHEVROLET TRUCK
- 1996 CHEVROLET G SERIES
- 1997 to 1999 CHEVROLET G SERIES
- 1997 to 1999 CHEVROLET M/L
- 1996 CHEVROLET M/L SERIES
- 1996 to 1999 CHEVROLET P SERIES
- 1996 to 1999 CHEVROLET S/T SERIES
- 1996 to 1999 CHEVROLET W4
- 1996 to 1999 GMC C/K SERIES
- 1996 to 1999 GMC G SERIES
- GMC GMC TRUCK
- 1996 to 1999 GMC M/L SERIES
- 1996 to 1999 GMC P SERIES
- 1996 to 1999 GMC S/T SERIES
- 1996 to 1999 GMC W4
- OLDSMOBILE OLDSMOBILE TRUCK
- 1996 to 1998 OLDSMOBILE T SERIES

## Other bulletins for the same vehicles and component

- [99066C](/bulletins/617636.md), 2001-03-21, Service bulletin: VEHICLE SPEED CONTROL:CRUISE CONTROL. SOME OWNERS OF 1996 \- 1999 S/T, M/L, C/K, G, P AND W4 TRUCKS MAY EXPERIENCE A SERVICE ENGINE SOON LIGHT, MISFIRE, ROUGH IDLE OR HARD START DUE TO A DEPOSIT BUILD\-UP ON THE SEQUENTIAL CENTRAL PORT FUEL INJECTOR \(SCPI\) POPPET VALVE\(S\). \*TT
- [99066A](/bulletins/609762.md), 2000-04-10, Service bulletin: VEHICLE SPEED CONTROL:CRUISE CONTROL. SOME VEHICLES THAT ARE REGISTERED IN CALIFORNIA, EQUIPPED WITH A 4.3L, 5.0L OR 5.7L ENGINE AND CALIFORNIA EMISSIONS, MAY EXPERIENCE A SERVICE ENGINE SOON LIGHT, MISFIRE, ROUGH IDLE OR HARD START. \*TT
- [000604003](/bulletins/609696.md), 2000-04-06, Service bulletin: VEHICLE SPEED CONTROL:CRUISE CONTROL. SOME CUSTOMERS MAY COMMENT ON ROUGH IDLE AFTER START UP, AND / OR A SERVICE ENGINE SOON \(SES\) LIGHT ILLUMINATED. \*TT
- [776306A](/bulletins/609676.md), 2000-04-06, Service bulletin: VEHICLE SPEED CONTROL. FUEL SOLENOID DRIVER LOCATED ON THE SIDE OF THE FUEL INJECTION PUMP FAILED, CAUSING VEHICLE TO NO START OR STALL.
- [767101](/bulletins/52353.md), 1997-07-24, Service bulletin: VEHICLE SPEED CONTROL. DELAYED UPSHIFT \(ADJUST ACCELERATOR CABLE/TPS/KICKDOWN SWITCH\). \*TW

JSON: [/v1/bulletins/617575](/v1/bulletins/617575)

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