Cylinder 1 - Injector Restricted

Where it lives

For P029C, the part to look at first is the injector named here. The description of P029C puts it on cylinder 1.

Check these first

• A clogged or dirty cylinder 1 fuel injector
• Low fuel pressure from a weak pump
• A clogged fuel filter
• Corrosion in the injector 1 connector
• An injector 1 stuck partly open or closed

What to do next

1. Run an injector balance test on cylinder 1
2. Check fuel pressure and replace a clogged filter
3. Inspect the injector 1 connector and wiring for corrosion
4. Run a fuel injector cleaner through the system
5. Replace injector 1 if the spray pattern is poor
6. Clear the code and retest

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