hi all need a little advice


yesterday i went to look at my sisters car because she said it wont go over 40mph?

so got to the car started it up ticksover fine.. take it down the road 1st gear fine 2nd gear fine 3rd gear loses all power and same in 4th and 5th.

pull out the plugs. plug 1 and 4 are black.. 2 and 3 are the right colour.

shine a torch down the plug hole 1 and 4 are a bit wet, 2 and 3 are nice and dry so looks like no spark to 1 and 4 under load

so changed the leads and plugs as its the cheapest thing to test and still the same.

ive done a search on here and google and ive found it could be the coil pack, ECU, head temp sensor or the MAF sensor.

so just wondering if anyone knew what its most likely to be so i don't waist hundreds trying them all

any help much appreciated

Thanks
Justin