Question about 2003 Chevrolet Monte Carlo

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My 03 monte carlo is very sluggish. The engine

My 03 monte carlo is very sluggish. The engine pings badly under excelleration and will not rev over 4,000 rpm. I have 3 engine codes: P0404, P0502 and P0440. What do I do?

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P0404 Exhaust Gas Recirculation Circuit Range/Performance
P0502 Vehicle Speed Sensor Low Input
P0440 Evaporative Emission Control System Malfunction
hope that helps /a little beyond my expertise but theres your codes your looking for ;)

Posted on Feb 04, 2010

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