So i got this probleme since too long now (M30 content)
I did swap my e30 with a m30b34 from a e28 like 2 or 3 years ago.
I only run the car during summer.
The first summer i got it, i had this strange problem with the car. The car would randomly turn off while cruising 1 time a month. They guy who sold me the engine and did the install told me to put some brake cleaner under the black plastic top on the AFM and wait 1 minutes. It was working well, but the second year the problem came more often then once a 1 month.
So i thoung it was a faulty AFM so i did the miller MAF conversion during that summer and i did change the CPU at that momment. Probleme wasnt solve and i could not pour break cleaner anymore, so it was hard to restart the car. I had to crank several time the engine to make it run again. I could try between 5 and 20 times.
So this summer i've try really hard to solve it. I did change the crank sensor like some ppl told me, didnt work. Change the spark plug, spark plug wire, coil, distributor and still doesnt work. I thougt it was cause by a vaccum leak between maf and trhottle body, since it wasnt the boot between wasnt oem and was a modified aluminum tubing and it still doest work.
-The car miss sometime, like if the car was about to turn off sudenly but it doesnt, and this give a hit like braking or accelerating, i dont know how to decribe the feeling.
-The car turn off randomly and its very hard to turn it on after.
*Sometime when the car turn off, if i put the gas pedal to the floor the will start by it self without touching the key
*Sometime i can turn the car on by trying to turn the key like to start the car even if the car still going forward.
I really dont know what to chek now, need your help !
ps sorry for the bad english im french canadian!
Last edited by Klondike; 07-31-2012 at 05:52 PM.