# Service bulletin 0403S001

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: 10006665
- Published by NHTSA: 2004\-05\-07
- Manufacturer's number: 0403S001
- Manufacturer's date: 2004\-02\-01
- NHTSA component: ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL

## NHTSA's summary

SERVICE ENGINE SOON \(SES\) LIGHT ILLUMINATED, DIAGNOSTIC TROUBLE CODE \(DTC\) P0420 SET. \*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

Engine, Exhaust and emissions

## Trouble codes named

P0420

## Vehicles listed

- 1998 ISUZU HOMBRE

## Recalls for the same vehicles and component

- [1997201](/recalls/tc/1997201.md), 1997-11-18: Engine

## Other bulletins for the same vehicles and component

- [IB09\-X\-004C](/bulletins/10217004.md), 2022-08-02, Service bulletin: ENGINE AND ENGINE COOLING; EQUIPMENT ADAPTIVE/MOBILITY; EQUIPMENT. The Isuzu Commercial Truck of America \(ICTA\) Service Technical Assistance Center \(TAC\) provides diagnostic support to Isuzu dealer technicians repairing Isuzu vehicles in and out of vehicle warranty. A TAC case number will be issued solely for information tracking purposes and future contact reference.
- [0302S003](/bulletins/10001775.md), 2003-06-25, Service bulletin: ENGINE AND ENGINE COOLING:ENGINE. ROUGH IDLE AFTER START, AND/OR A SERVICE ENGINE SOON \(SES\) LIGHT. \*TT
- [0301S001](/bulletins/10001399.md), 2003-05-02, Service bulletin: ENGINE AND ENGINE COOLING:ENGINE. ENGINE/BALANCE SHAFT RATTLE SOUND. \*TT
- [SB9801L010](/bulletins/6092455.md), 2000-12-07, Service bulletin: ENGINE AND ENGINE COOLING:ENGINE. SUBJECT REGARDING ROCKER ARM COVER SERVICE CAMPAIGN. SOME CUSTOMERS MAY COMMENT ABOUT INCREASED ENGINE OIL CONSUMPTION AND HAVING TO ADD OIL BETWEEN OIL CHANGES. \*TT
- [SB0001S006](/bulletins/614128.md), 2000-09-28, Service bulletin: ENGINE AND ENGINE COOLING:ENGINE:GASOLINE. SOME CUSTOMERS MAY COMMENT ON BACKFIRE DURING CRANK / START; NO START; SLOW OR HARD START / CRANK; GRINDING OR UNUSUAL NOISES DURING CRANK / START; CRACKED OR BROKEN ENGINE BLOCK AT THE STARTER BOSS; BROKEN STARTER DRIVE HOUSING; AND BROKEN STARTER RING GEAR ON FLYWHEEL. \*TT
- [9801L008](/bulletins/602257.md), 1998-10-20, Service bulletin: ENGINE AND ENGINE COOLING:ENGINE. PREVENTING PREMATURE MAIN BEARING FAILURE. \*YC

JSON: [/v1/bulletins/10006665](/v1/bulletins/10006665)

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