Wont pull the skin off a custard !!

Hi All, got a p38 dhse, pulling away and acceleration is really awfull (worse than normal) changed all the filters inc auto box filter, starts and runs perfectly free revs no problem but wont pull away, the upshift is also very slow, only fault code coming up is the IAT sensor would this cause poor performance as described ?? also when i change from Park to Reverse the wing mirrors move down then neutral they move back up and stay there when i go into drive is this normal???
thanks for any help in advance

Sounds like the box could be in limp home mode? Are you sure it's changing gear??

I think IAT failure might well give that effect. Easy and cheap to replace.

philco said:

also when i change from Park to Reverse the wing mirrors move down then neutral they move back up and stay there when i go into drive is this normal???
thanks for any help in advance

Click to expand...

Mirrors normal, you can prevent it though. see attached

Thanks for that guys, mirror thing sorted thanks
gearbox is changing gear just very late, 2nd to 3rd almost 3500rpm the takes an age to go into top have to keep taking my foot off the throttle to make it change...weird, have ordered a IAT any one know where its located??
thanks

philco said:

Thanks for that guys, mirror thing sorted thanks
gearbox is changing gear just very late, 2nd to 3rd almost 3500rpm the takes an age to go into top have to keep taking my foot off the throttle to make it change...weird, have ordered a IAT any one know where its located??
thanks

Click to expand...

IAT sensor only fitted to none EGR engines. Located under front of manifold. EGR models get their readings from MAF sensor.

ah - interesting. my one from 325 td has EGR and IAT & MAP.

Buy a V8.

got a 5.7 v8, only does 10 to the gallon , so i thought id have a derv one as a cheaper runabout, looking like this one is gonna cost at least a torque converter or at worst a box as well