boost cut in 97 RA

[Guest]

97 RA turned boost up 2 1 bar suffering boost cut . has orange airflow meter but is adjustable , dont no y it wont run 1 bar . unpluged boost controler and jst ran the factory setting boosted up 2 1.1 bar in 3rd then cut out . what would b causing this ?? AFM or wastgate solinoid? car is running a vf22 turbo as well

[Guest boostin]

Wrong MAP sensor or wrong ECU??

[Guest]

think it has jst a standard RA ECU . runs .8 .9 bar boost fine but 1 bar has a cry but took car up the street jst then at 1 bar and didnt cut out so im bit lost at the moment .

[BC5RA]

Are you sure it's boost cut?

[Guest]

well... guess im jst assuming that it is boost cut. . what else could it be? runs mint at point 9 bar thinking of jst leaving it

would be a shame tho as i dont think .9 is realy getting the most out of the vf22 at all. AFM is adjustable has too screws on it

1 sez high the other low. neva seen 1 lik that b4 .. has any1 else??

[Guest boostcut]

i think you should try gapping your plugs, its possible that the slightly higher boost pressure is "blowing out" the spark.

[BC5RA]

What plugs are you running?

It's possible that your ignition is not capable of running 1 bar.

[Guest]

i have no idea as far as i knw jst what ever a 97 RA comes with. how do you gap plugs??

[Guest boostcut]

with a plug gapper/ feeler guages.. take them out and to a garage.. dont try and gap iridium or platinum

[Guest boostin]

 tyroneRA said:

well... guess im jst assuming that it is boost cut. . what else could it be? runs mint at point 9 bar thinking of jst leaving it

would be a shame tho as i dont think .9 is realy getting the most out of the vf22 at all. AFM is adjustable has too screws on it

1 sez high the other low. neva seen 1 lik that b4 .. has any1 else??

Huh? Adjustable AFM?? Got any pics of it??

[Guest]

il take sum 2moro post thm up.

[DPI]

iridium plugs will allow more boost...

[QRAF]

 DPI said:

iridium plugs will allow more boost...

when i put mine in with new leads i had it miss twice on 1.13 bar, but sorted itself out after i reset the computer, i was told they could of been dropped. :-\

Do you have a electronic boost controller? as you seem to be able to play around with the boost easily?

[Guest]

did but pulled it out . nw i have jst removed the factory restrictor and replaced it with a homemade 1 with a bigger hole drilled in it. works great holds .9 bar dead on as where the boost contoler would spike thn drop back.

[Guest itsgotgo]

0.9 bar is what it will run on the waste gate pressure only.

the restrictor or pill will make no difference unless you have the right boost controll solenoid.

maybe you should reset the computer,or get it diagnosed by a mechanic

[Guest]

wastgate pressure was mre lik .6 was way 2 flat and yea the ristrictor worked fine went frm .6 to .9 and since car is 4 sale thnk i mite leave it . 97 RA 76 thou ks realy tidy if any1s keen

[QRAF]

before i got my evc i ran off the factory wastegate and got 9psi on my vf22 so .6 sounds about right after i put the evc in we upped it to 16psi 1.13bar i only changed the sparkplug fuel filter and leads because i had a surging problem.

whats this about drilling holes into your restrictor ??? sounds dodgy :-\

[Guest]

made a new 1 outa welding tips started of with a 1 mil hole then went up half a mil til i got the boost i wanted .9 bar .Works a treat

[Guest itsgotgo]

ok mine has got the sti ra ecu with forester bcs and vf28.boost controll solenoid not hooked up and wastegate pressure on that is 0.9????

[Guest]

thnk the bigger turbos lik the 22 and 23 are both .6 off the wastegate the others are abit more lik .9 could be wrong tho

[Guest boostin]

Other way around.

[Guest]

how do u go about posting pictures up ?

[QRAF]

 tyroneRA said:

how do u go about posting pictures up ?

i use firefox not sure if its the same with internet explorer but you right click over the image you want. Select "copy image location" then paste that into the post then high light it then click on the picture below the bold key. this will put the "[img|/img]" around it and displaying the picture just click preview to make sure it works 1st chur.

if you have the picture on your computer you need to upload to a site like photo bucket.

[Guest]

http://i952.photobucket.com/albums/ae2/tyrone47/holly128.jpg" border="0" alt="AFM"></a>' alt='a>'>

[Guest]

yep didnt work