Engine Problems
Explore engine problems diagnostic guides.
2020 Subaru WRX Engine Knock Under Boost: P0325 Diagnosis
Is your 2020 Subaru WRX experiencing engine knock under boost with P0325? Learn what causes detonation in the FA20 turbo engine and how to protect it.
2021 Subaru Crosstrek Hybrid Plug-In System Malfunction: Diagnosis Guide
Is your 2021 Subaru Crosstrek Hybrid showing a plug-in system malfunction? Learn about this plug-in hybrid's unique powertrain and troubleshooting.
2019 Kia Niro PHEV Not Charging: Troubleshooting Guide
Is your 2019 Kia Niro Plug-In Hybrid not charging? Learn what causes charging failures and how to restore plug-in capability.
2021 Hyundai Ioniq Hybrid System Check Message: Diagnosis Guide
Is your 2021 Hyundai Ioniq showing a hybrid system check message? Learn what causes these warnings and when dealer service is needed.
2019 Ford Transit P0299 Turbo Actuator Failure: Diagnosis and Repair
Is your 2019 Ford Transit showing P0299 turbo underboost? Learn what causes turbo actuator failure and how to restore proper boost pressure.
2020 Ford Transit Connect P0301 Cylinder 1 Misfire: Diagnosis Guide
Is your 2020 Ford Transit Connect showing P0301 misfire code? Note: US models use gasoline engines. Learn about misfire diagnosis for this compact van.
2021 Ford Transit P2463 Diesel Particulate Filter Clogged: Solutions
Is your 2021 Ford Transit showing P2463 DPF clogged code? Learn what causes DPF problems in this commercial vehicle and how to restore proper operation.
2019 Honda Fit P1259 VTEC System Malfunction: Diagnosis Guide
Is your 2019 Honda Fit showing P1259 VTEC code? Learn what causes the VTEC system to malfunction and how to restore high-RPM performance.
2021 Honda Insight IMA Hybrid System Error: Diagnosis Guide
Is your 2021 Honda Insight showing an IMA hybrid system error? Note: 2021 Insight uses a different system. Learn about Insight hybrid diagnostics.
2020 Toyota Prius Hybrid Battery Degradation: What to Expect
Is your 2020 Toyota Prius showing signs of hybrid battery degradation? Learn what causes capacity loss and what options are available.
2021 Toyota Corolla Cross Hybrid System Warning: Understanding the Alert
Seeing a hybrid warning on your Toyota Corolla Cross? Note: The hybrid version debuted in 2023 for US markets. Learn about hybrid system warnings and what to do.
2022 Toyota Corolla Cross P0300 Random Misfire: Diagnosis Guide
Is your 2022 Toyota Corolla Cross showing P0300 with rough idle? Learn what causes random misfires in this compact crossover and how to fix it.
2019 Chevy Suburban AFM Lifter Failure: Complete Guide
Is your 2019 Chevy Suburban experiencing AFM lifter failure? Learn about the symptoms, causes, and repair options for this common V8 issue.
2021 Chevy Suburban V8 Lifter Collapse with P0302: Diagnosis Guide
Is your 2021 Chevy Suburban's V8 showing lifter collapse symptoms with P0302? Learn about AFM/DFM lifter issues and your repair options.
2022 Chevy Suburban Flashing Check Engine Light with P0171: Urgent Action Needed
Is your 2022 Chevy Suburban's check engine light flashing with P0171 lean code? Learn why this combination is serious and what to do immediately.
2019 Chevy Tahoe Excessive Oil Consumption: Causes and Solutions
Is your 2019 Chevy Tahoe consuming too much oil? Learn what causes excessive consumption in the 5.3L and 6.2L V8 engines and available remedies.
2021 Chevy Tahoe AFM Lifter Tick with P0301: Diagnosis and Repair
Is your 2021 Chevy Tahoe's V8 making a ticking noise with P0301 misfire code? Learn about AFM lifter issues and repair options.
2022 Chevy Tahoe P0300 Random Misfire with Rough Idle: Diagnosis Guide
Is your 2022 Chevy Tahoe showing P0300 with rough idle? Learn what causes random misfires in the 5.3L, 6.2L, and Duramax engines.
2019 Ford Expedition Cam Phaser Noise: Understanding the EcoBoost Rattle
Is your 2019 Ford Expedition making cam phaser noise at startup? Learn what causes the EcoBoost rattle and whether repair is necessary.
2021 Ford Expedition EcoBoost Turbo Lag and P0299: What's Causing It
Is your 2021 Ford Expedition experiencing turbo lag with P0299 underboost code? Learn what causes reduced boost in the twin-turbo EcoBoost V6.