P0200 — Injector Circuit Malfunction
Category: Powertrain Severity: High
Updated:
DTC code P0200 means: Injector Circuit Malfunction. It falls under the "Powertrain" category, with an estimated severity of High. Common causes include faulty fuel injector, wiring/connector issue and faulty injector driver in ECM; it's worth confirming the diagnosis before replacing parts.
Possible causes
- Faulty fuel injector
- Wiring/connector issue
- Faulty injector driver in ECM
- Fuel delivery problem
Symptoms
- Misfires or jerking
- Higher fuel consumption
- Black smoke from the exhaust
How to diagnose it step by step
- Look for specific injector codes (P0201–P0208).
- Check the injector fuse and relay.
- Measure each injector's resistance.
- Check the shared wiring.
How to fix it
Check the injectors (clean or replace) and inspect their wiring and connectors.
Estimated repair cost
Injector: $100–400 (diesel: $200–650).
Frequently asked questions
What does DTC code P0200 mean?
Injector Circuit Malfunction.
Is code P0200 serious?
Severity High. Have it checked as soon as possible, especially if it affects safety or the catalytic converter.
Can I keep driving with code P0200?
Carefully; there may be misfires.
Related codes
P0217 P0219 P0220 P0221 P0222 P0223 P0230 P0234 P0299
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