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You just gotta lol


Piggysniffer
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Well mine pulled a load of timing yesterday at low revs and dropped my IAM down to zero, so I have still got issues with it, even more weird is the fact that the IAM is zero but the car isn't in limp mode, it's still boosting 19psi, supposed to go into limp mode at anything under .25 on the IAM 

ive gotten to the point where I just have to laugh about it lol

 

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Hi sorry - slightly confused by the TLA - are you saying your Intake Absolute Manifold Pressure is down to zero? If the car is still generating boost but the manifold pressure is zero there is a huge mismatch (or hole) somewhere between what the turbo is capable of holding and the engine needs.

The MAP sensor is a key player here but given the history I wouldn't know if it was calibrated prior to or during the session you had. We just have a snapshot of one thing happening and no view of the relationship to the rest of you motor so I just guessing - sorry

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IAM = ignition advance multiplier, or DAM in earlier models, it's a rough timing correction 🙂 

The limp mode is where the ecu limits boost to 7psi waste gate pressure and runs a richer fuel map and the car is supposed to be in limp with an IAM of 0

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I rate it, put it in both my Sierra  cosworth engines after I'd run them in and I used to really thrash the living death out of them both, a lot of people say it's snake oil, all I can say is, it never did any harm

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11 hours ago, Piggysniffer said:

IAM = ignition advance multiplier, or DAM in earlier models, it's a rough timing correction 🙂 

The limp mode is where the ecu limits boost to 7psi waste gate pressure and runs a richer fuel map and the car is supposed to be in limp with an IAM of 0

Ahhh thank you

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