A21010B

Service Bulletin Details

Public Details for: A21010B

"servicenews article - if normal troubleshooting suggests replacing the fuel injectors, check the long-term fuel trim using the i-hds to ensure that it's fixed right the first time. -if it is less than 1.0% (lean), then it's most likely ca


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ServiceNews Article
January 2021
A21010B Version 1
Troubleshooting a Fit with Misfire?
AFFECTED VEHICLES
Year
Model
Trim Level
2015-20
Fit
ALL
If normal troubleshooting suggests replacing the fuel injectors, check the long-term fuel trim using the i-HDS to ensure that
it’s fixed right the first time.
•
If it is less than 1.0% (lean), then it’s most likely caused by the injectors.
•
If it is more than 1.0% (rich), then it’s most likely caused by carbon buildup on the valves. Use a commercially
available valve cleaner to resolve the carbon issue.
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