P0200
High SeverityInjector Circuit Malfunction
Fuel System
What Does P0200 Mean?
General fuel injector circuit fault. The ECM detected an issue with the injector driver circuit.
Common Fix
Replace faulty fuel injector
Estimated Cost (DIY)
$40 - $150
Symptoms
- β οΈRough idle
- β οΈMisfires
- β οΈLoss of power
- β οΈCheck engine light
Common Causes
Faulty injectorlikely
Wiring issuepossible
ECM driver circuit failureunlikely
How to Diagnose P0200
- 1Check all injector connectors
- 2Test injector resistance
- 3Check for power at injector harness
- 4Isolate which cylinder if possible
Need to read or clear this code?
Shop OBD2 Scanners on Amazon βFrequently Asked Questions
- How do I know which injector is bad?
- If P0200 appears alone, unplug injectors one at a time β the one that does not change idle when unplugged is the dead one.
- Are fuel injectors expensive?
- Individual injectors cost $40-$150 depending on vehicle. Cleaning may fix some issues for $15-$30 with fuel injector cleaner.
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