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GM Class Action Lawsuit: GMC Terrain and Chevy Equinox Fuel Pump

Posted by Howard Gutman | May 18, 2025 | 0 Comments

If you're driving a 2020-2024 Chevrolet Equinox or GMC Terrain, you might be caught up in a growing GM class action lawsuit that's making waves across the U.S. Owners of these popular SUVs have reported terrifying fuel pump failures—vehicles stalling in traffic, losing power on highways, or refusing to start altogether. This isn't just an inconvenience; it's a safety hazard that's left many questioning General Motors' accountability. Here's what you need to know about the GM fuel pump lawsuit and why it matters to you.

A Defect That Hits Hard

At the heart of the General Motors class action lawsuit is a faulty fuel pump plaguing these vehicles. These pumps, designed to last up to 200,000 miles, are giving out far too soon—sometimes before hitting 100,000 miles. When they fail, fuel can't reach the engine properly, triggering symptoms like hesitation, sputtering, or complete shutdowns.

In 2023, GM recalled about 23,000 vehicles to replace these defective pumps, but the fix hasn't worked for everyone. Reports flood in of replacement parts failing too, leaving drivers stranded again. One owner vented online: “My 2022 Terrain stalled three times after the ‘fix'—once in rush hour traffic. It's a nightmare.”

Repair costs can soar from $766 to over $2,000, often with no warranty coverage, adding insult to injury.

Technical Evidence of the Defect

Owners of affected vehicles often notice warning lights on their dashboards, accompanied by specific diagnostic trouble codes (DTCs) that point to fuel system malfunctions. These codes are essential for mechanics and owners alike to understand the root cause of the vehicle's performance issues.

Below is a table listing the most common DTCs reported in connection with the fuel pump defects in 2020-2024 Chevrolet Equinox and GMC Terrain models:

Code

Description

P0089

Fuel pressure is not at specification

P0191

Potential abnormality in fuel pressure readings

P0300

Random or multiple cylinder misfire

P0301

Engine misfire on cylinder 1

P0302

Engine misfire on cylinder 2

P0303

Engine misfire on cylinder 3

P0304

Engine misfire on cylinder 4

P0305

Engine misfire on cylinder 5

P0306

Engine misfire on cylinder 6

P228C

Fuel pressure too low

P228D

Fuel pressure too high

P2635

Fuel pump flow performance

These codes highlight a range of problems, from incorrect fuel pressure to engine misfires, all of which can stem from the defective fuel pumps. If your vehicle has triggered any of these codes, it may be experiencing the same issues that are central to the GM class action lawsuit.

Real Stories, Real Risks

The GMC lawsuit isn't just about mechanics – it's about lives disrupted.

Picture this: you're merging onto a busy New York highway when your Equinox suddenly loses power. That's the reality for some owners, with stalls reported in dangerous situations. Then there's the waiting game -dealerships bogged down by part shortages have kept cars sidelined for months.

The General Motors lawsuit claims GM knew about this defect since 2019 but kept selling these vehicles as reliable, leaving owners blindsided.

The Numbers Tell the Story

The GM lawsuit is heating up in Delaware, where GM's fighting to dismiss it, arguing there's no proof of a widespread defect. Yet, the recall alone hints at a bigger issue – 23,000 vehicles is no small number, and the lawsuit suggests the problem could stretch further.

Fun fact: GM's no stranger to fuel pump woes. A separate $35 million settlement covered 2011-2016 Silverado and Sierra trucks with similar issues. Could Equinox and Terrain owners be next in line for justice?

How We Can Help

If your vehicle's fuel pump keeps failing, you don't have to face GM alone. Owners with substantial and recurring problems may be entitled to a refund or replacement under lemon law. Other owners may have claims for breach of warranty under the Magnuson-Moss Act. Our New York and New Jersey law office is here to fight for you.

Don't let a defective vehicle drain your wallet or peace of mind. Call us for a free consultation to explore your options. We also work on a contingency basis – you pay nothing unless we win.

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About the Author

Howard Gutman

Howard Gutman has been fighting for consumer rights and representing commercial interests for over 20 years. Нe has a deep knowledge of fraud, consumer, warranty, and lemon law, and will handle your case with honesty and experience.

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