maryhimmel32

Matiz High Fuel Consumption Poor Start

My 2008 Chevrolet Matiz (gasoline engine) has high fuel consumption and starts poorly at 57227 km. Diagnostics suggest a defective throttle valve. Could a defective accelerator pedal module be the cause?

A 2008 Chevrolet Matiz is experiencing high fuel consumption and poor starting. Diagnostics initially suggest a defective throttle valve, but the possibility of a faulty accelerator pedal module is considered. Cleaning the throttle body is suggested as a temporary fix, but ultimately, replacing the accelerator pedal module resolves the issue.

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4 comment(s)

I had similar symptoms on my Matiz. It could be the throttle position sensor. Have you tried cleaning the throttle body? Sometimes a good cleaning can resolve idle issues.

Thanks. I haven't cleaned the throttle body yet. Did your Matiz have identical symptoms, and did cleaning the throttle body completely resolve it?

Yes, my Matiz had the same symptoms: poor starting and worse fuel consumption. Cleaning helped temporarily, but the problem returned. The workshop found a fault with the accelerator pedal module. I suggest a thorough diagnostic check.

Understood. The accelerator pedal module was indeed the issue. Replacement resolved the symptoms. The repair was 205€.

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CHEVROLET

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MATIZ