please help me ! my DB8sir lost power........

gtimax

New Member
my DB8sir lost power when engine get hot, it is very powerful when I begin to drive it (engine just warm) but after 10 mins. in town drive slowly, it start to lost torque at low rpm the engine response slow, over 5000 rpm the power come back with vtec.
(the engine was rebuilt last week, installed R cam, K4 piston, ecu is stock)
run engine for 500km, just changed engine oil
please help me ! thanks a lot!
 

tonydize21

New Member
check your coolant sensor that sensor tells the ecu to send mor/less gas when the car is hot if not you need a tune
 

Samurai_Blue

Yolo Whippin'
no mention of it over heating
the sensor also throws up a cel
 


Samurai_Blue

Yolo Whippin'
thanks for answering our questions...not. dude seriously we cant help you unless you tell us if you:

have a dyno tune
or seated the rings properly

both of which i think you neglected to do
 
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