Hi, im havin a intermitant problem with the car, 05 signum 2.0 dti, spanner light then loss of power, no response from accel pedal then engine dies out, error codes :
p0638 throttle control circuit negative deviation (5a) not present
p0638 electronic throttle sensor circuit high imput (07) not present
have checked for air leaks in pipes and have had the intake manifold and egr cleaned but problem still persists.
do these codes relate to the two sensors on the air intake manifold ?
has anyone had any similar problems ?
Any advice would be greatly appreciated !