Warning Lights Tell of Cheap and, Sometimes, Expensive Repairs
By Colin Bird
March 5, 2015
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The “check engine” light is the canary in the coal mine, indicating often cheap-to-fix problems; however, there are some common expensive fixes, too, according to USA Today.
The most common issues pertain to engine misfires, fuel injection and sensor control problems:
Replace oxygen sensor: 9.3%
Inspect for loose fuel cap: 9.3%
Replace catalytic converter: 6.4%
Replace mass air flow sensor: 4.4%
Replace spark plugs or wires: 3.7%
The most-expensive repairs above would be replacing the catalytic converter, which often costs $2,000, according to CarMD. Catalytic problems often arise when owners ignore the check engine light for earlier minor problems such as replacing a spark plug or spark plug wire for only a few dollars.
As some of the earlier hybrids reach a decade’s worth of use, two of the most-expensive top 10 repairs are now for hybrid models, including replacing the battery or the hybrid inverter system, according to USA Today.