supercharger lack of power sl55amg

[sl steve]

hi all need some help with my sl55amg . supercharger not working all the time when i load it and work the supercharger hard then come of the gas for a few seconds and put the power back on there is no supercharger power . let the car cool for a few seconds the boot it its back full power . was told that the s/c water pump was dead put new one in checked the fuses all good .done rd test still the same help please

also have a code p2027 egr vacuum transducer , whats this mean ????

 

[Bobby Dazzler]

Yes, the intercooler pump is a weak point on these engines, and can cause these symptoms - an alarming lack of power.

Search the forum or Google a combination of amg intercooler pump johnson ford lightening