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Forum: General Q & A

03-07-2016, 03:44 PM

Replies: 23

502 MAG Idle Problem

Views: 11,124

Posted By Tidewater757

Update: I just replaced the upper intake gaskets...

Update: I just replaced the upper intake gaskets and cleaned the throttle body very good and it ran the exact same. I swapped the throttle body with the known good one and it still ran the same. Any...

Forum: General Q & A

03-06-2016, 06:27 PM

Replies: 23

502 MAG Idle Problem

Views: 11,124

Posted By Tidewater757

Followed vaccum lines to start with found 3 one...

Followed vaccum lines to start with found 3 one from the upper to lower intake one from upper intake to a tee that there goes to the fpr on the fuel rail and one regulator that from looking at it i...

Forum: General Q & A

03-06-2016, 05:34 PM

Replies: 23

502 MAG Idle Problem

Views: 11,124

Posted By Tidewater757

The serial number is OL053055 When you say to set...

The serial number is OL053055 When you say to set the new iac after installing it are you speaking of adjusting the primary throttle plate to get desired voltage to iac? If so no i did not, but when...

Forum: General Q & A

03-06-2016, 04:23 PM

Replies: 23

502 MAG Idle Problem

Views: 11,124

Posted By Tidewater757

Update: Just scanned the ECM and there are no...

Update: Just scanned the ECM and there are no fault codes.

Forum: General Q & A

03-06-2016, 01:55 PM

Replies: 23

502 MAG Idle Problem

Views: 11,124

Posted By Tidewater757

502 MAG Idle Problem

I just bought this boat that has two 502 MAG MPI's one motor ran great across all RPM's and the other didn't like to idle and smelled very rich but ran fine at all other RPM's. I had the injectors...

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