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The MAFs are identical. One uses 4 wires as it send the intake air temp to the PCM.
Can't remember which is which, but it's easy to follow where the go.
One MAF will read high, I think this is the one with the intake temp (4 wires), the one that reads low feeds the second turbo, so won't start to read high until 2600/2800 rpm when the second turbo kicks in.
Can't remember which is which, but it's easy to follow where the go.
One MAF will read high, I think this is the one with the intake temp (4 wires), the one that reads low feeds the second turbo, so won't start to read high until 2600/2800 rpm when the second turbo kicks in.
