Had new down pipe fitted. Probs!!
24 April 2004, 06:37 PM
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Had new down pipe fitted. Probs!!
Hi all
Had a seconhand magnex down pipe fitted and when the Doreen picked it up, the check light was on all the way home and when it was in third it starts juddering! Whats happened?
I have changed my standard 1993 ecu to a 1995 wrx RA one? Will this make any differance? It wasnt happening this morning before the pipe was fitted. Also, i can now hear the turbo spooling. Is this ok? I just drove the car round from the back of the house to the front, and the light didnt come on then. I have now disconected the battery to do a reset.
Thanks everyone
Johnny
Had a seconhand magnex down pipe fitted and when the Doreen picked it up, the check light was on all the way home and when it was in third it starts juddering! Whats happened?
I have changed my standard 1993 ecu to a 1995 wrx RA one? Will this make any differance? It wasnt happening this morning before the pipe was fitted. Also, i can now hear the turbo spooling. Is this ok? I just drove the car round from the back of the house to the front, and the light didnt come on then. I have now disconected the battery to do a reset.
Thanks everyone
Johnny
24 April 2004, 07:16 PM
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Originally Posted by STi wanna Subaru
turbo noise is normal.
the other problem could be a damaged Lambda sensor when it was removed from the old zorst.
the other problem could be a damaged Lambda sensor when it was removed from the old zorst.
Johnny
24 April 2004, 09:51 PM
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Originally Posted by jameswrx
Why not change the ecu back to your original one and go from there then?
Johnny
24 April 2004, 10:43 PM
#6
Ah sorry, missread your first post, thought you said it was the same before the pipe was fitted, doh!.
In that case, changing the downpipe shopuldn't make it run badly, as you've pointed out o2 sensor is not in the downpipe on that year (as someone suggested), there is nothing there that would cause a CEL, only sensor in the 93's d/p is the cat on fire sensor which you can leave unplugged to no effect anyway.
I'd see how it goes after the reset. Maybe you disturbed something else when you were doing the d/p change?.
Have you plugged the cel plugs and looked for a fault code?
Don't take the downpipe off mate, stick with it, as I said on that MY there is nothing directly related to the d/p that would cause any poor running, another prob has occured when you've changed the d/p, you must of disturbed something, or not plugged something in you may have unplugged?.
In that case, changing the downpipe shopuldn't make it run badly, as you've pointed out o2 sensor is not in the downpipe on that year (as someone suggested), there is nothing there that would cause a CEL, only sensor in the 93's d/p is the cat on fire sensor which you can leave unplugged to no effect anyway.
I'd see how it goes after the reset. Maybe you disturbed something else when you were doing the d/p change?.
Have you plugged the cel plugs and looked for a fault code?
Don't take the downpipe off mate, stick with it, as I said on that MY there is nothing directly related to the d/p that would cause any poor running, another prob has occured when you've changed the d/p, you must of disturbed something, or not plugged something in you may have unplugged?.
24 April 2004, 10:51 PM
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does your speedo still work? the ecu reads of the speedo and if it has been disconnected or damaged when the downpipe was fitted this could be your problem.(the engine goes into limp home mode)
Stick with the down pipe,when its running right you will feel the benefits!!
Stick with the down pipe,when its running right you will feel the benefits!!
Last edited by quicksprint; 26 April 2004 at 08:09 AM.
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24 April 2004, 10:51 PM
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Originally Posted by jameswrx
Ah sorry, missread your first post, thought you said it was the same before the pipe was fitted, doh!.
In that case, changing the downpipe shopuldn't make it run badly, as you've pointed out o2 sensor is not in the downpipe on that year (as someone suggested), there is nothing there that would cause a CEL, only sensor in the 93's d/p is the cat on fire sensor which you can leave unplugged to no effect anyway.
I'd see how it goes after the reset. Maybe you disturbed something else when you were doing the d/p change?.
Have you plugged the cel plugs and looked for a fault code?
Don't take the downpipe off mate, stick with it, as I said on that MY there is nothing directly related to the d/p that would cause any poor running, another prob has occured when you've changed the d/p, you must of disturbed something, or not plugged something in you may have unplugged?.
In that case, changing the downpipe shopuldn't make it run badly, as you've pointed out o2 sensor is not in the downpipe on that year (as someone suggested), there is nothing there that would cause a CEL, only sensor in the 93's d/p is the cat on fire sensor which you can leave unplugged to no effect anyway.
I'd see how it goes after the reset. Maybe you disturbed something else when you were doing the d/p change?.
Have you plugged the cel plugs and looked for a fault code?
Don't take the downpipe off mate, stick with it, as I said on that MY there is nothing directly related to the d/p that would cause any poor running, another prob has occured when you've changed the d/p, you must of disturbed something, or not plugged something in you may have unplugged?.
Johnny
25 April 2004, 12:48 AM
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25 April 2004, 09:06 AM
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No, it comes up with check engine in the bottom right hand corner of the dash.
I went for a drive it it a moment ago after resetting the ecu over night. I let it idle for 5 minutes untill the temp gauge was half way and was running really well, better than before. Went for a short drive and about 1 mile into it, the light came on so turned round and drove home real slow. Stopped on the drive and its idle was very poor. Rocking from side to side, so turned the engine straight off.
I went for a drive it it a moment ago after resetting the ecu over night. I let it idle for 5 minutes untill the temp gauge was half way and was running really well, better than before. Went for a short drive and about 1 mile into it, the light came on so turned round and drove home real slow. Stopped on the drive and its idle was very poor. Rocking from side to side, so turned the engine straight off.
25 April 2004, 09:53 AM
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Originally Posted by StickyMicky
you sure the decat hasnt increased the boost enough to blow a pipe off sumwhere?
I started a new thread about moving the lambda sensoe from the headers to the down pipe. What about that? My car has a 95 ecu fitted and its a 93 wrx saloon.
25 April 2004, 05:54 PM
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Originally Posted by Johnny sti
Not that i can see. I had the intercooler of and everything this morning looking for something not right. What could it be? Where shal i look?
I started a new thread about moving the lambda sensoe from the headers to the down pipe. What about that? My car has a 95 ecu fitted and its a 93 wrx saloon.
I started a new thread about moving the lambda sensoe from the headers to the down pipe. What about that? My car has a 95 ecu fitted and its a 93 wrx saloon.
26 April 2004, 02:09 PM
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Originally Posted by Dyney
10 points to quicksprint
Glad you got i sorted.
I take it your pleased you kept the DP on now
Glad you got i sorted.
I take it your pleased you kept the DP on now
Thanks to everyone for the help. Add another 0 to the points!! Not sure what you get for 100 points, think theres something in the fridge on its way out you can have!!
One other question all, i think Pavlo answered it for me on another thread but since fitting the down pipe its all very tinny/rattling from that area. Is it ok and am i right in thinking that wraping it should sort it out?
Thanks again
Johnny
26 April 2004, 02:58 PM
#17
I found there is a certain tinnyness when revving the engine a little, and when pootling around in 1st and 2nd gear. Wrapping downpipe certainy helped make this pretty much non evident, and I'm by no means the first to do it.
You do get the heatshields failing around the bolt holes, then rattling, although they are harder to sort out. Much more of a rattle sound though.
Paul
You do get the heatshields failing around the bolt holes, then rattling, although they are harder to sort out. Much more of a rattle sound though.
Paul
26 April 2004, 05:19 PM
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Originally Posted by Pavlo
I found there is a certain tinnyness when revving the engine a little, and when pootling around in 1st and 2nd gear. Wrapping downpipe certainy helped make this pretty much non evident, and I'm by no means the first to do it.
You do get the heatshields failing around the bolt holes, then rattling, although they are harder to sort out. Much more of a rattle sound though.
Paul
You do get the heatshields failing around the bolt holes, then rattling, although they are harder to sort out. Much more of a rattle sound though.
Paul
Johnny
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