Easy tips

Can you change the IMRC on a F150?

Can you change the IMRC on a F150?

The F150 Roushcharger uses the the IMRC to control boost dump, so don’t change it with IMRC deleting in mind – rather change it to control boost coming on at lower throttle positions. Personally, I would not use HP Tuners to program a Roushcharged F150, there are too many tables missing for a good, full and proper Roushcharger tune. Having fun!

Can you delete the IMRC on a S197 Mustang?

With that being said, you MUST follow the detailed instructions below when deleting them on the S197 3V Mustangs, as well as any 3V 5.4 truck. The reason for this is when you set the “IMRC Switch” to “Disabled” the pcm thinks they are closed at all times, and you obviously want the “Open” table values to be used.

Why is the IMRC switch set to disabled?

The reason for this is when you set the “IMRC Switch” to “Disabled” the pcm thinks they are closed at all times, and you obviously want the “Open” table values to be used. 1: Under Engine, Airflow, General Airflow, change “IMRC Switch” to “Disabled”.

How to change the IMRC switch in CMCV?

1: Under Engine, Airflow, General Airflow, change “IMRC Switch” to “Disabled”. 2: Under Engine, Airflow, General Airflow, copy the “Angle (IMRC Open) Torque” table to the “Angle (IMRC Closed) Torque” table. 4: Under Engine, Airflow, General Airflow, copy the “Load with failed MAF (IMRC Open)” table to the “Load with failed MAF” table.

The F150 Roushcharger uses the the IMRC to control boost dump, so don’t change it with IMRC deleting in mind – rather change it to control boost coming on at lower throttle positions. Personally, I would not use HP Tuners to program a Roushcharged F150, there are too many tables missing for a good, full and proper Roushcharger tune. Having fun!

With that being said, you MUST follow the detailed instructions below when deleting them on the S197 3V Mustangs, as well as any 3V 5.4 truck. The reason for this is when you set the “IMRC Switch” to “Disabled” the pcm thinks they are closed at all times, and you obviously want the “Open” table values to be used.

The reason for this is when you set the “IMRC Switch” to “Disabled” the pcm thinks they are closed at all times, and you obviously want the “Open” table values to be used. 1: Under Engine, Airflow, General Airflow, change “IMRC Switch” to “Disabled”.

1: Under Engine, Airflow, General Airflow, change “IMRC Switch” to “Disabled”. 2: Under Engine, Airflow, General Airflow, copy the “Angle (IMRC Open) Torque” table to the “Angle (IMRC Closed) Torque” table. 4: Under Engine, Airflow, General Airflow, copy the “Load with failed MAF (IMRC Open)” table to the “Load with failed MAF” table.

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Ruth Doyle