Piggysniffer Posted October 5, 2016 Posted October 5, 2016 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
Jay762 Posted October 5, 2016 Posted October 5, 2016 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
Piggysniffer Posted October 5, 2016 Author Posted October 5, 2016 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
Piggysniffer Posted October 5, 2016 Author Posted October 5, 2016 Got in it this mornin, IAM straight back up to 1 lol i did chuck a 750ml bottle of slick 50 in it last night tho
Phillip1993 Posted October 5, 2016 Posted October 5, 2016 Got in it this mornin, IAM straight back up to 1 lol i did chuck a 750ml bottle of slick 50 in it last night tho Is that stuff any good
Piggysniffer Posted October 5, 2016 Author Posted October 5, 2016 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
Jay762 Posted October 5, 2016 Posted October 5, 2016 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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