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Lean Fuel Trim Codes: They Can Challenge the Experienced Technician

Mighty Auto Parts

The 2013 Ford F150 equipped with a 3.5L EcoBoost engine was running perfectly. With the exception of a drop in fuel economy, there was no indication of a problem until the Check Engine light in the dash illuminated.

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The Top 5 Problems with the Mazda CX-9: 1st Generation (2007 to 2015)

1A Auto

The transmission may cause a slip or jerk sensation while shifting when the CX-9 is warmed up, and this may happen without a check engine light turning on. How to Fix a Transmission Slipping Problems with the transmission shifting will be from the CX-9’s computer. The dealership can fix this problem.

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5 Pressing AWD System Problems in Honda Pilot (+How To Fix)

RepairSmith

Check Engine Light On along with VTM 4 Light (Displays P0171/P0174 Code) These trouble codes indicate your ECU (Engine Control Unit) has detected a lean fuel mixture in your vehicle, activating the check engine light. How Much Does Honda AWD System Diagnosis and Repair Cost?

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5 Common Subaru AWD Problems and Fixes (+Maintenance Tips)

RepairSmith

AWD Warning Light Illuminates There are many potential contributors to an illuminated check AWD system light, including: Low tire pressure A faulty wheel speed sensor An electrical issue Driving with odd-sized tires Often, the AWD light illuminates when there’s an FWD fuse inserted in the front-wheel drive slot in the fuse box, disabling your AWD.

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4 Worrying Hyundai Santa Fe AWD System Problems (+Fixes)

RepairSmith

The light could be triggered by: Low fluid level: Driving with low transfer case, transmission , and other fluids can overheat AWD components and wear them down faster due to a lack of lubrication. This can trigger the AWD warning and Check Engine Light. Refill them if running low, or replace them if they’re old.