Diesel Data: Automotive Repair

Recall - Excessive CO Emissions: Overview

Number: 90-C-51

Section: 6E

Date: Nov., 1994

Subject:
PRODUCT EMISSION CAMPAIGN 90-C-51 - HIGH ALTITUDE CO EXHAUST EMISSIONS

Model and Year:
1990 GEO METRO WITH 1.0L ENGINE (VIN CODE "6" - RPO LP2)
(NON-XFi VEHICLES ONLY)

To: All Chevrolet/Geo Dealers

The Administrator of the U.S. Environmental Protection Agency (EPA) and General Motors have determined that certain 1990 Geo Metro vehicles with 1.0L engines (VIN CODE "6" - RPO LP2) may exceed high altitude carbon monoxide (CO) Federal emission standards. This condition applies to vehicles registered in Colorado, Nevada, New Mexico and Utah (vehicles which have moved to these states from California which are equipped with RPO YF5 do not require this campaign repair). These standards were established to protect the public health and welfare from dangers of air pollution. Excess emission of pollutants may cause a vehicle to fail state mandated emission tests.

To correct this condition, vehicles registered in the four affected states will have a redesigned oxygen sensor installed.

RECAP 90-C-51

ZONE INVOLVED

2 NEW YORK 0
3 ST. LOUIS 1
4 MINNEAPOLIS 0
5 KANSAS CITY 0
6 SAN FRANCISCO 86
7 DALLAS 100
8 ATLANTA 0
9 CINCINNATI 0
10 DENVER 861
11 CHICAGO 0
13 PITTSBURGH 0
14 WASHINGTON 0
15 PHILADELPHIA 0
16 CHARLOTTE 0
17 MEMPHIS 0
18 DES MOINES 0
19 PORTLAND 0
20 LOS ANGELES 18
24 NEW ORLEANS 0
25 INDIANAPOLIS 0
26 TAMPA 0
28 CLEVELAND 0
30 HOUSTON 0
32 BOSTON 0
36 SALTLAKE 654
39 PHOENIX 536
44 DETROIT 0
47 MOLINE 0
C.O. CONTROLLED 0
TOTAL DOMESTIC 2,256
GRAND TOTAL 2,267