P0202

High Severity

Injector Circuit Malfunction - Cylinder 2

Fuel System

P0202 — Instant Answer

Injector Circuit Malfunction - Cylinder 2

Severity: HIGH SEVERITY

Meaning: Cylinder 2 injector circuit fault.

Safe to drive? NO if CEL is flashing. YES with caution if solid, but repair this week.

Estimated repair cost: $40 - $150

Most common causes:

  • 1. Faulty injector (35-45% of cases)
  • 2. Wiring issue (10-25% of cases)
  • 3. Bad connector (10-25% of cases)

Symptoms

  • ⚠️Cylinder 2 misfire
  • ⚠️Rough idle
  • ⚠️Power loss

Related Symptoms

Common Causes

Faulty injectorlikely
Wiring issuepossible
Bad connectorpossible

How to Diagnose P0202

  1. 1Check connector
  2. 2Test resistance
  3. 3Swap with another injector
  4. 4Replace if confirmed bad

OEM Procedures for P0202

P0202 affects the Fuel Injector. Found 103 OEM service manual procedures.

Fuel Injector

Engine Code Information Label - Fuel Injector Replacement Label

Fuel Injector
No link

Engine Code Information Label - Fuel Injector Replacement Label

Fuel Injector
No link

Engine Code Information Label - Fuel Injector Replacement Label

Fuel Injector
No link

Engine Code Information Label - Fuel Injector Replacement Label

Fuel Injector
No link

Engine Code Information Label - Fuel Injector Replacement Label

Fuel Injector
No link

Engine Code Information Label - Fuel Injector Replacement Label

Fuel Injector
No link

Engine Code Information Label - Fuel Injector Replacement Label

Fuel Injector
No link

Engine Code Information Label - Fuel Injector Replacement Label

Fuel Injector
No link

Showing 8 of 103 procedures

OEM Diagnostic Flowchart

Scroll to load technician if/then branches.

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Parts & Tools for This Job

Common parts shoppers buy for P0202 Injector Circuit Malfunction - Cylinder 2.

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Related Resources

Repair guides, symptom pages, and wiring diagrams related to P0202.

Frequently Asked Questions

Is the fix the same as P0201?
Identical diagnosis, just on cylinder 2. Check wiring, test resistance, swap to confirm.
Can dirty injectors cause this?
Dirty injectors usually cause lean codes, not circuit faults. P0202 is an electrical issue.

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Author & Review

Published by AllOEMManuals, founded by Lyndon Bedford, an automotive technician with 20 years of experience. He owned and operated a mechanic shop in Hurst, Texas from 2014 to 2022 and continues hands-on repair work.

Content may combine manual references, general repair templates, and AI-assisted drafting. Confirm the source, vehicle configuration, and applicability before working. Report corrections through our contact page.

Last updated: 2026-10-28

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