hitting rev limit at 2.5K ?

[lordedmond]

any ideas guys
the gar is going in tomorrow to get sorted but i would like some input

ok its a diesel , when in for service just before xmas and there was three recalls
1 new ecu
2 boost sensor
3 wiring harness

ok now the problem under part throttle in 1,2 3, the engine revs to its normal max of 5 k, in 4 ,5 ,6 if you floor the throttle the engine revs to 2.5 k and seems to hit the rev limiter

any ideas , so they don't fob me off
btw mpg and power seem normal

 

[lordedmond]

thanks for the replys guys

if thats its limp home mode 2.5k in sixth is 95 mph



i think 2.5 is when the turbo starts to come in but i may be wrong before the service i could get wheel spin in 5 on a very wet road in 5th at about 2.8k

anyway i hope to have it sorted tommrow


dont laugh guy its a almera 2.2 cdi or dci sxe 136 bhp ( its the renault engine not the nissan one )

 

[lordedmond]

looks like the muppets fitted the wrong ecu

the correct one's part no. should end 81A
the one they fitted in the recall ends in 87A

the ecu is seeing the boost as over boost and limiting the revs to 2.5K ( limp home ) only on full load , part thottle will not give the level of boost to cause the incorrectly sensed over boost