Engine Stalling (Auto Idle Stop)

The auto idle stop system can cause the engine to stall unexpectedly, often at critical junctures like intersections or highway on-ramps. This is frequently linked to electrical system interactions and powertrain control modules. Estimated repair cost: $100 - $500.

Numerous recalls address fuel pump issues. Failure can lead to engine stalling and loss of motive power, posing a significant safety risk. Ensure all relevant recalls are addressed. Estimated repair cost: $500 - $1000.

Electrical System Failures

Complaints frequently cite electrical system issues, including infotainment malfunctions and problems related to the auto idle stop system's interaction with control modules. The front camera system is also noted for heat-related failures impacting ADAS. Estimated repair cost: $200 - $1500.

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2019 Acura MDX Maintenance guide

Name: Maintenance dataset for 2019 Acura MDX
Creator: Carfocal

v1.0Updated May 30, 2026Daniel Wilson4 Sources Analyzed74 Critical Recalls

MAINTENANCE SUMMARY

The 2019 Acura MDX presents a below-average reliability verdict, marked by significant concerns regarding its engine and electrical system. Owners should prioritize addressing potential fuel pump failures and engine bearing wear, as indicated by numerous recalls and complaints.

View Critical Issue: Engine Connecting Rod Bearing Wear

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Reliability Score

Est. Annual Maintenance Cost

$700 - $1,200

TSBs & Recalls

22 TSBs | 80 Recalls

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Key Takeaways

Below-average reliability is a primary concern for the 2019 Acura MDX.
Engine and electrical system issues are the most frequently reported problems.

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Critical service intervals

Common failure analysis

Symptoms and prevention guidance