Q: Iat sensor

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Mass air flow sensor code appear changed and check 4 wires then faulty ground in fuel pump check and it was faulty replace. Fuel pump . the fuel filter on chassis was replaced end last year. No code for mass air flow code came up but throw intake air temperature sensor and o2 sensor. Check harness and wires were good then replaced iat and both 02 sensors also replaced coolent temp sensor. Reset computer and codes still appear. For iat.

My car has 200000 miles.
My car has a manual transmission.

Hi there. You might find this article we’ve written and posted here on our website very helpful in helping to diagnose an intake air temperature sensor. The component is called either an IAT (Intake Air Temperature) or Air Change Temperature (ACT) sensor, but the symptoms are virtually identical. Without being there to inspect your car personally, this is really the best advice we can offer. Thanks.

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