XF and XFR ( X250 ) 2007 - 2015

Intercooler pump

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Old Jun 24, 2021 | 08:45 AM
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bfarrell's Avatar
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Default Intercooler pump

Will a faulty intercooler pump always throw a code. Im trying to track down SC boost fall off at WOT. Changed the belt which helped a bit due to some slippage. Im getting no codes other than p402 (catalytic converter) however the supercharger pulls well during part throttle then quickly flattens out with WOT. I have a Velocity tune and larger lower pulley good for 450HP. Im not seeing anywhere near that… trying to sort it all out.
 
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Old Jul 6, 2021 | 08:21 AM
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Originally Posted by bfarrell
Will a faulty intercooler pump always throw a code. Im trying to track down SC boost fall off at WOT. Changed the belt which helped a bit due to some slippage. Im getting no codes other than p402 (catalytic converter) however the supercharger pulls well during part throttle then quickly flattens out with WOT. I have a Velocity tune and larger lower pulley good for 450HP. Im not seeing anywhere near that… trying to sort it all out.
I doubt it will ever throw a code. Maybe sticking a thermocouple on the supercharger lid would give you an idea of air temp going into the engine?
 
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Old Jul 6, 2021 | 09:37 AM
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You should be able to monitor the IAT2 temps & the timing through live data. You'll be able to compare temps on steady part-throttle against WOT. At the same time you'll also be able to see if it's pulling timing.
 
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Old Jul 10, 2021 | 12:53 AM
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Originally Posted by bfarrell
Will a faulty intercooler pump always throw a code. Im trying to track down SC boost fall off at WOT. Changed the belt which helped a bit due to some slippage. Im getting no codes other than p402 (catalytic converter) however the supercharger pulls well during part throttle then quickly flattens out with WOT. I have a Velocity tune and larger lower pulley good for 450HP. Im not seeing anywhere near that… trying to sort it all out.
Whats your car?
Because with our tune boost does not fall off. We just set a record for fastest 5.0sc car btw
 
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2008 XKR Convertible, (mods: AlphaJagTuning ECU Tune , 1.5lb pulley, (200cel cats( are now melted), xpipe, Bosch 001 pump, 180 Thermostat.
Drag strip : 7.9sec 1/8mi 90 MPH . 1/4 mile 12.55 at 112.98mph
432rwh Dyno on Mustang Dynometer , Approx 511 crank HP.
2013 XJ 5.0 SC (Alpha Jag ECU, TCU tune, crank pulley), 600+ HP, 11.6 sec 1/4th mi 122mph, 7.6sec 1/8th mi
2018 Jaguar F-Type (AlphaJag ECU TCU, lower upper pulleys intake) 10.77 ,131mph ,700hp
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Old Jul 10, 2021 | 09:38 AM
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Default Tune

Originally Posted by AlexJag
Whats your car?
Because with our tune boost does not fall off. We just set a record for fastest 5.0sc car btw
2013 XF sport AWD 3.0 SC
Velocity AP tune
 
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