🔵 © ISUMO® More Than a Brand — It’s Quality
• Replacement ignition coil electrical connector for GM 4‑cylinder engines
• Restores proper electrical contact between ignition coil and engine harness
• Ensures stable spark delivery and smooth engine performance
• OE‑style connector housing with high‑temperature wiring
• Direct‑fit design for fast, secure installation
• Prevents misfires caused by loose, cracked, or corroded connectors
🔵 © ISUMO® Functions
• Supplies power and signal to the ignition coil
• Maintains consistent spark timing under all driving conditions
• Ensures proper combustion and engine efficiency
• Prevents intermittent coil dropout and misfire events
• Supports stable idle, acceleration, and fuel economy
🔵 © ISUMO® Error Codes
• P0300 – Random/Multiple Cylinder Misfire
• P0301–P0304 – Cylinder‑specific misfire codes
• P0351–P0354 – Ignition Coil Circuit Fault
• P0365 / P0366 – Cam/Crank correlation faults caused by weak spark
• U‑series communication faults (if connector signal is unstable)
🔵 © ISUMO® Symptoms of Failure
• Engine misfire or rough idle
• Hard starting or hesitation
• Loss of power during acceleration
• Check Engine Light on
• Intermittent or dead ignition coil
• Melted, cracked, or loose connector housing
🔵 © ISUMO® Benefits of Replacement
• Restores full ignition coil performance
• Eliminates misfires and hesitation
• Improves fuel efficiency and throttle response
• Ensures stable electrical connection
• Prevents long‑term coil and catalytic converter damage
🔵 © ISUMO® Package Includes
• 1 × Ignition Coil Connector
• Pre‑terminated pigtail leads
• OE‑style locking tab
🔵 © ISUMO® Important Notes
• Always inspect ignition coils for heat damage
• Replace all damaged connectors to ensure even performance
• Clear stored codes after installation
• Professional installation recommended
🔵 © ISUMO® Vehicle Applications (4‑Cyl Only, Qty Needed: 4 per vehicle)
• Buick Envision 2016–2020
• Buick LaCrosse 2018–2019
• Buick Regal 2014–2017
• Buick Regal Sportback 2018–2020
• Buick Regal TourX 2018–2020
• Cadillac ATS 2013–2019
• Cadillac CT6 2016–2018
• Cadillac CTS 2014–2019
• Chevrolet Blazer 2019–2021
• Chevrolet Camaro 2016–2023
• Chevrolet Colorado 2015–2022
• Chevrolet Equinox 2018–2020
• Chevrolet Impala 2014–2019
• Chevrolet Malibu 2013–2022
• Chevrolet Malibu Limited 2016
• Chevrolet Spark 2013–2015
• Chevrolet S10 Pickup 2016–2017
• Chevrolet Traverse 2018–2019
• GMC Acadia 2017–2021
• GMC Canyon 2015–2022
• GMC Terrain 2018–2020
© ISUMO® Registered Trademark. All Rights Reserved.
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