Wagoneer L4-150 2.5L VIN E TBI (1990)
1.
Locate the oxygen sensor in the exhaust manifold as shown in Figure 1.
2.
Disconnect the oxygen sensor electrical connector.
3.
Remove the oxygen sensor.
4.
Clean the exhaust manifold threads using a thread chaser.
NOTE:
Do not use solvents or lubricants on threads.
5.
Install provided oxygen sensor. Tighten to 22 ft.lbs. (30 N-m).
6.
Connect oxygen sensor electrical connector.
B.
Install Recall Completion Label:
1.
With a ball point pen, print your dealer code (5 digits) on the supplied Recall Completion Label.
2.
Peel the label from its backing and apply it near the Vehicle Emissions Control Information Label on the underside of the hood.
C.
Complete Proof of Correction Form:
1.
Complete a Vehicle Emission Recall Proof of Correction Form and supply it to the vehicle owner.
Owner Letter
EMISSIONS RECALL --
1990 JEEP CHEROKEE, COMANCHE AND WRANGLER MODELS
EQUIPPED WITH A 2.5L ENGINE
AND CALIFORNIA EMISSION CONTROL SYSTEM
Dear Chrysler Corporation Vehicle Owner:
It has been determined that your 1990 Jeep(R) vehicle, equipped with a 2.5L engine, may be in violation of California Emissions Standards.
Hydrocarbon, carbon monoxide and oxides of nitrogen levels could be above the allowable limits, which were established to protect the public health
from the dangers of air pollution. For this reason, we are asking you to return your vehicle -- identified by the Vehicle Identification Number on the form
-- to your dealer for service to the emission control system. These services will be provided free of charge.
IT IS IMPORTANT THAT YOU HAVE THIS RECALL REPAIR PERFORMED. For this reason, we request that you consider the following
information and then have your vehicle repaired.
Why should I have my vehicle repaired?
Your vehicle may exceed the California Emissions Standard for hydrocarbons (HC), carbon monoxide (CO) and oxides of nitrogen (NOx) in the