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Check engine light · Engine codes

P0204: Cylinder 4 Injector Circuit/Open.

Powertrain · GenericP0204
Get it fixed soon
What it means

The fuel injector circuit for cylinder 4 is open or faulty, so that cylinder may get no fuel and misfire.

How serious

Get it fixed soon. A few more days of normal driving is usually OK, but waiting can turn a small repair into a bigger one or a breakdown.

Where a shop starts

Failed injector on cylinder 4. Then: broken wiring or connector; engine computer driver fault.

Owners named P0204 in 5 complaints to the U.S. government, most often on the Chevrolet.

The details

What P0204 means

The fuel injector circuit for cylinder 4 is open or faulty, so that cylinder may get no fuel and misfire.

Can I drive with P0204?

Get it fixed soon. A few more days of normal driving is usually OK, but waiting can turn a small repair into a bigger one or a breakdown.

60% of the owner complaints that name P0204 also say the car shakes, runs rough or misfires. A complaint can describe more than one problem, so this doesn't prove the code caused it.

Common causes of P0204
  • Failed injector on cylinder 4
  • Broken wiring or connector
  • Engine computer driver fault

A shop should confirm the cause with a scan and tests before replacing parts.

What owners describe
  • Shakes, runs rough or misfires: 60% of complaints
  • Loses power or goes into limp mode: 40% of complaints
  • Warning lights and electrical faults: 40% of complaints

Share of complaints naming the code whose text also mentions each problem.

Related codes

P0203 P0202 P0201 P0217 P0218 P0219 P0221 P0222

Quick answers

What does P0204 mean?

Cylinder 4 Injector Circuit/Open. The fuel injector circuit for cylinder 4 is open or faulty, so that cylinder may get no fuel and misfire.

Can I drive with P0204?

Get it fixed soon. A few more days of normal driving is usually OK, but waiting can turn a small repair into a bigger one or a breakdown.

What causes P0204?

Failed injector on cylinder 4; Broken wiring or connector; Engine computer driver fault.

Counts: NHTSA owner complaints whose text names P0204. A complaint is an owner's report, not a diagnosis. Meanings: the standard SAE J2012 definitions in our own words; manufacturer codes only where verified for that make. General information, not repair advice for your car.

Updated · Free to use with credit: Source: The Lemon Index (lemonindex.com). Get the data

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