i just completed the MPFI swap on a 91 CRX DX w/ automatic transmission. At first, i was leaking coolant from the gasket connecting the block to the intake manifold. I fixed that, but only after leaking a LOT of coolant out the bottom of the engine bay and maybe into the engine?

There is also a lot of white smoke coming out of the exhaust pipe and was just wondering if anyone knew where it was from, maybe from the coolant burning?

Here are the parts i used:

- 91 si intake manifold, throttle body, fuel rail/injectors, etc.
- 90 si distributor
- 88-89 integra LS automatic transmission ECU
- 91 si injector resistor box

Any help is appreciated, thanks.

 

more than likely if its white smoke uve got some coolant in ur cylinders, run the car for a while hopefully itll go away if not recheck the seals of everything and if that doesnt fix it then do a compression check and see if the headgasket is blown and leaking coolant over into the cylinder, good luck and hopefully there is just a little water where it isnt supposed to be and itll burn out

 

Note that Mobil 1 full-synthetic oil burns grayish-white. -scott

 

sounds like a head gasket to me

 

I have a good headgasket on my car, and it burns white smoke. I also prolly need new piston rings, but I thought it was if you were running rich or lean or something.

 

How would I know that my headgasket is bad?

 

white smoke... hehehe

if the white smoke doesn't go away in the first 5 minutes... thats most likly what it is...

 

Find a buddy with a coolant system pressure tester. Pressurize the coolant system to 13 psi and make sure it holds there. if coolant is leaking into the combustion chamers through the head gasket, you will be able to tell. Make sure you pull the spark plugs and crank the engine with them out befor you try and start it as to not hydro-lock the engine. Good Luck!

 

I think it is just my piston rings.....OH GREAT!

 

if it's not your piston ring you might want to check your valve seal also..I had lot's of white smoke and I just change my head gasket but I never bother to change my valve seal. So I change my valve seal and wala...it's gone no more white smoke.