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2013 Chevrolet Suburban
Platform: GMT 400, 800, 900

98 Chevy Suburban code P0430 and P0440

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Old Feb 15, 2026 | 9:50 PM
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JJL
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Default 98 Chevy Suburban code P0430 and P0440
Got 2 different codes, the P0430 yesterday and another code P0440 today! Help!
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Old Feb 16, 2026 | 9:13 PM
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JJL
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I may have found the problem. Broken line.
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