The Lemon Index

Check engine light · Engine codes

P228C: Fuel Pressure Regulator 1 Exceeded Control Limits - Pressure Too Low.

Powertrain · GenericP228C
Fix soon
What it means

The fuel pressure regulator can't keep pressure up.

How serious

Fix soon. Book a shop visit this week. Stop driving if the car slips, shakes, overheats or warns you.

Where a shop starts

Failing fuel pump or high-pressure pump. Then: faulty regulator; fuel leak.

Owners named P228C in 17 complaints to the U.S. government, most often on the Chevrolet Equinox.

Cars owners report it on

Complaints that name P228C, by model. Raw counts, not a failure rate: popular models get more complaints.

The details

What P228C means

The fuel pressure regulator can't keep pressure up. Stalling and power loss are common.

Can I drive with P228C?

Fix soon. Book a shop visit this week. Stop driving if the car slips, shakes, overheats or warns you.

41% of the owner complaints that name P228C also say the car loses power or goes into limp mode. A complaint can describe more than one problem, so this doesn't prove the code caused it.

Common causes of P228C
  • Failing fuel pump or high-pressure pump
  • Faulty regulator
  • Fuel leak

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

What owners describe
  • Loses power or goes into limp mode: 41% of complaints
  • Stalls or shuts off: 35% of complaints
  • Transmission slips or shifts hard: 18% of complaints

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

Model years that report P228C most

2023 Chevrolet Equinox (3), 2016 Chevrolet Malibu (2), 2024 Chevrolet Equinox (2), 2023 GMC Terrain (2).

Related codes

P228D P2293 P2263

Quick answers

What does P228C mean?

Fuel Pressure Regulator 1 Exceeded Control Limits - Pressure Too Low. The fuel pressure regulator can't keep pressure up. Stalling and power loss are common.

Can I drive with P228C?

Fix soon. Book a shop visit this week. Stop driving if the car slips, shakes, overheats or warns you.

What causes P228C?

Failing fuel pump or high-pressure pump; Faulty regulator; Fuel leak.

Counts: NHTSA owner complaints whose text names P228C. 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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