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Texas Car Inspections: What Can Cause My Car To Fail an Emissions Test

Driver's Edge

This means that some drivers will require an emissions test to ensure that each vehicle's emissions components are up to standards. Here are a few common reasons why a vehicle may fail its inspection: Check Engine Light A check engine light is an automatic failure for a Texas car inspection.

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Diesel Emissions of Passenger Cars

Hollenshades Auto Service

Diesel’s evolution in response to emission standards: This steep change over a relatively short amount of time lead many manufactures to stop selling their existing lines of diesel-engine cars in the US until they could meet the new standards. Efficiency in a thermal engine comes from increasing the temperature of combustion.

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8 Symptoms of a Bad Camshaft Position Sensor (+ How to Fix)

RepairSmith

The camshaft position sensor (CMP sensor) ensures the engine’s valves open and close at the correct times for smooth engine performance. Illuminated Check Engine Light When the camshaft sensor fails, the Engine Control Unit detects an irregularity in the camshaft’s position data and activates the check engine light.

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6 Bad Crankshaft Position Sensor Symptoms (+ How to Confirm)

RepairSmith

Does your engine stall frequently or doesn’t start at all ? If it breaks down, it could lead to issues like engine misfire, poor acceleration, or low gas mileage. A crankshaft sensor detects the position and speed of your engine’s crankshaft. This will lead to difficulty in starting the engine.

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EGR Valve Replacement Cost (+8 Signs You Need It Urgently)

RepairSmith

If you’ve noticed a drop in your car’s fuel efficiency and increased emissions , it’s likely that your Exhaust Gas Recirculation (EGR) valve has waved the white flag. The EGR valve helps reduce emissions by redirecting exhaust gases into the engine’s intake. When it fails, you’ll experience engine performance issues.

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