2.4 Ecotec Engine2.4 Ecotec Engine
The General Motors (GM) 2.4L Ecotec engine is a naturally aspirated inline-four (I4) aluminum gasoline engine producing approximately 164β182 horsepower, depending on the specific variant and vehicle application. It features a 2,384 cc (145 cu in) displacement, a DOHC valvetrain with four valves per cylinder, and an 88.0 mm Γ 98.0 mm (3.46 in Γ 3.86 in) bore and stroke. Designed for a balance of performance and efficiency, the 2.4L Ecotec was used across a variety of GM passenger cars and SUVs.
In Stock
$1,000.00 – $4,000.00Price range: $1,000.00 through $4,000.00
The prices are exclusive of taxes and shipping. The price may vary depending upon the miles and year of manufacturing.
Additional Information
| Brand | General Motors |
|---|---|
| Conditions | Remanufactured, Used |
| Miles | 70000-130000 |
| Year Compatibility | 2006-2019 |
| Verified | Tried & Tested |
| Warranty | Up to 3 Months |
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Specifications
The GM 2.4 Ecotec engine is a 4-cylinder gasoline engine available in different versions such as the LE5, LAF, LEA, and LE9. It produces around 164 to 182 horsepower and has a 2.4-liter (2,384 cc) displacement. The 2.4 ecotec engine has an aluminum block and cylinder head, DOHC, 4 valves per cylinder, and Variable Valve Timing (VVT). Some versions use port fuel injection, while others use direct injection. The compression ratio ranges from about 10.4:1 to 11.2:1, depending on the version. It holds about 4.7 liters (5 quarts) of engine oil with the filter, and SAE 5W-30 oil is commonly recommended.
Engine Variants
LE5
TheΒ LE5Β is a 2.4LΒ naturally aspirated EcotecΒ engine featuring dualΒ variable valve timingΒ (VVT) and portΒ fuel injection. Depending on theΒ application and modelΒ year, it produces up toΒ 164β177 horsepowerΒ and was usedΒ in a varietyΒ of GM carsΒ and SUVs.
LE9
TheΒ LE9Β is a flex-fuel version ofΒ the LE5 designedΒ to operate onΒ both gasoline andΒ E85 ethanol fuel. It retained theΒ basic 2.4L naturallyΒ aspirated architectureΒ while incorporating fuel-system and calibrationΒ changesΒ to support ethanolΒ blends.Β
LT (VVT Hybrid)
TheΒ LT, sometimes referred toΒ as theΒ VVT Hybrid, is a specializedΒ LE5-basedΒ engine developed forΒ early GM mild-hybrid applications. ItΒ combined the 2.4LΒ VVT engine withΒ GM’s hybrid system, including applicationsΒ such as theΒ Saturn Aura GreenΒ Line, to improve fuelΒ efficiency.
LAF
TheΒ LAFΒ marked the transitionΒ ofΒ the 2.4L EcotecΒ toΒ direct fuel injectionΒ (DI). It featured aΒ higher compression ratioΒ and redesigned pistons, allowing improved combustionΒ efficiency andΒ stronger performance, withΒ output aroundΒ 180 horsepowerΒ depending on theΒ application.
LEA
TheΒ LEAΒ is aΒ flex-fuel developmentΒ of the LAFΒ direct-injection engine. It retained theΒ DI architecture whileΒ adding the abilityΒ to run onΒ E85 ethanol fuel, making it suitableΒ for a rangeΒ of GM sedans, crossovers, and SUVs.
LUK
TheΒ LUKΒ is closely relatedΒ mechanically to theΒ LEA direct-injectionΒ 2.4L engine butΒ was specifically configuredΒ for use withΒ GM’sΒ assist mild-hybridΒ system. The combinationΒ of the gasolineΒ engine and electricΒ assist was designedΒ to improve fuelΒ economy and reduceΒ emissions.
Frequently Asked Questions
Is theΒ 2.4 Ecotec engine aΒ good engine?
Yes, theΒ 2.4 Ecotec canΒ be a goodΒ engine when properlyΒ maintained, but someΒ versionsΒ have known issues.
What areΒ common 2.4 Ecotec engine problems?
Common problemsΒ includeΒ excessive oil consumption, timing-chain issues, and carbon build-up.
What carsΒ have the 2.4Β Ecotec engine?
Β The 2.4Β Ecotec engine was usedΒ in vehicles suchΒ as theΒ Chevrolet Equinox, Malibu, HHR, Saturn Aura, and Pontiac G6.
Which GMΒ engine to avoid?
SomeΒ 2.4L Ecotec andΒ early 5.3L V8Β versionsΒ are worth researchingΒ carefully because ofΒ known oil-consumptionΒ and reliability issues.

