New engine in, now high and climbing revs on idle

[Cro]

As above, just got the new engine plumbed in (minus the coolant system, wanted to check it ran first) and it starts normal then is reving quite high around 2k and then it starts to climb and I shut it off at 4.5k before I s**t my pants.

Pretty sure there aren't any air leaks or anything, all the sensors are connected and wired up.

Any ideas what the craic might be?

 

[James.f]

Air leak, have you checked each point on the inlet mani properly? And that its bolted down properly, check also the seal under it its a egg shaped ring,

 

[jordan172]

had the same problem with my 205 gti and i had missed a bolt on the inlet manifold and it was taking in to much air. so sounds like it could be something like that

 

[Cro]

Im almost certain there aren't any leaks but i'll keep looking. It got to 4k and then misfired there :S

Anyone know what would happen if engine oil got into the engine, smells funky and smoking a bit.....

It was courierd with the oil in and spilt everywhere, thinking some may have it got inside and I have no Idea what happens with that?????

 

[Tunst]

if oil got into the cylinders then it would just keep running even with the ignition off then eventually self destructonce all oil had been used up, this is speaking from past experience :dapprove:, that was a diesel tho.

 

[iimushroomzii]

if oil got into the cylinders then it would just keep running even with the ignition off then eventually self destructonce all oil had been used up, this is speaking from past experience :dapprove:, that was a diesel tho.

Surely, only diesels would do that wouldn't they?

 

[Tunst]

Surely, only diesels would do that wouldn't they?

yeah only diesel i just had a read of what i wrote just ignore my above post, im ill and dont know much atm :dapprove:

 

[sideways danny]

air leak or throttle body not plugged in.

most likely the teardrop shaped rubber seal under the plenum isn't seated

 

[Cro]

Honestly danny I have checked and double checked for airleaks just nothing. There was smoke coming out of the lower inlets when I whipped the plenum off.

Spark plugs seem to be quite oily aswell after just being cleaned and put back in

 

[maz172cup]

had the same problem with my 205 gti and i had missed a bolt on the inlet manifold and it was taking in to much air. so sounds like it could be something like that

this is a standard fault on 205s

 

[Cro]

Fault ended up being the brake vacuum pipe had a hole and bad connection