| Author | Topic |
|---|
I supported Toymods
Location:
Sunshine Coast
Registered:
March 2004
|
 grr st162 engine problem!!
|
Mon, 24 May 2004 11:19
|
 |
hey everyone,
well recently i have done a full engine rebuild, 1 week later a crank shaft bearing decides to spin and flaten out..so i get the crank jernals reground and got all the over sized bearings etc etc, thewn gave it to a machanic to tune it and it is even worse then b4 i gave it to him..now when i start it it runs fine for about 2 minutes..apsolutly fine and then couughs and splutters abd blows black smoke..any ideas what this could be?..my step dad says it might be the fuel mix cos the machaninc said he changed it..or could it be vacume leaks or loom plug in wrong hole?..or injectors or power steering vacume..thats all it could really be?..or is this all part of weraing an engine in?
thanks for any help or ideas 
|
|
|
Location:
South Australia
Registered:
July 2002
|
|
Re: grr st162 engine problem!!
|
Mon, 24 May 2004 13:09
|
|
It isn't a part of running in an engine I can say that much for sure.
As for your running rich problem...it can be bazillions of things unfortunately 
Check all vacuum hoses for starters.
I would check the VSVs - two ones on the underside of the intake manifold (Idle VSV and T-VIS VSV).
Check for ECU error codes, check the fuel pressure in the fuel rail (probably have to get a mechanic to check that one).
It's basically a matter of checking *everything* related to tuning the engine...timing, spark etc etc!
Loom plugs going into the wrong hole is uncommon, but they can get unstuck if they are poorly handled (they go very hard after 15 years and tend to break). Your injectors could be stuffed, your EGO sensor could be stuffed.
The list is huge...my car is running rich at the moment and I still haven't figured it out (although, I haven't tried to hard to find out why, it's not running badly, just overly rich up top).
|
|
|
I supported Toymods
Location:
Sunshine Coast
Registered:
March 2004
|
|
Re: grr st162 engine problem!!
|
Wed, 26 May 2004 11:01
|
|
thanks fwdboy
i checked all the vacumes and turns out a few werent hooked up and some that were..were in the wrongh whole  .... the smoking etc has stopped but it is still runing rough..could wrong fuel/air mix cause this because when i got it tuned(with the vacumes etc screwed) the machanic said he changed the mix..oh and also there is a whole in my exuast manifold..and just while im here when we did the rebuild the cam shaft end seals or watever were replaced with new one's, and now there making a wine-ing noise(well i hope it is this), anyone know how to fix it
thanks heaps
also is it like a factory fault for st162's to have shitty front right gas struts..cos i know of few other ppl with the same problem ive never heard of it happeneing on the left
|
|
|
Location:
South Australia
Registered:
July 2002
|
|
Re: grr st162 engine problem!!
|
Wed, 26 May 2004 13:58
|
|
Whereabouts in the exhaust manifold is there a hole? Cause that could be the entire source of your problem dude 
As for the whining noise? Who knows Could be the tensioner and idle pulleys - they tend to get a bit whiny...or it could be the timing belt itself.
And the front right strut problem - could also be attributed to the fact that people take way more left than right hand turns, and people tend to go alot harder on left turns than right turns (entry speed on left hand corners is usually alot higher than right handers where you are generally going from standstill).
Food for thought ey
|
|
|
I supported Toymods
Location:
Sunshine Coast
Registered:
March 2004
|
|
Re: grr st162 engine problem!!
|
Thu, 27 May 2004 11:22
|
|
u know the thing that bolts onto the side of the manifold, the metal tube thingo.. yeah well one of the whole's is striped(idont know how).. so i left the bolt out..also when ya rev it while listening ya can hear there is a leak some wear so it could be that..would it cause it to run like crap on idle its shaky..and its lacking power majorly
|
|
|
Location:
South Australia
Registered:
July 2002
|
|
Re: grr st162 engine problem!!
|
Thu, 27 May 2004 13:50
|
|
Check for intake manfiold leaks...that stuffs the idle up quite badly.
As for the EGR (Exhaust Gas Recirculation) I hope you haven't blown the gasket because those things are $27.50 from toyota and they have to ship them over from Japan....ie a mega head-f^%# if you ask me
|
|
|
I supported Toymods
Location:
Sunshine Coast
Registered:
March 2004
|
|
Re: grr st162 engine problem!!
|
Fri, 28 May 2004 12:00
|
|
|
nar the gasket isnt blown..just there is meant to be 2 bolts holding it on..but there is 1!.. ok basically its just lacking powah and idles ruff and while driving its like u sit on 60km/h and it will like go like jolty like will shake like go fast then slo again really quickly..all it can be is air leak in manifold..the machanic changed air/fuel mix and also increased air flow through intake
|
|
|
Location:
South Australia
Registered:
July 2002
|
|
Re: grr st162 engine problem!!
|
Sat, 29 May 2004 03:30
|
|
This mechanic doesn't sound too good if you ask me
For starters - the air/fuel mixture is controlled by a closed lamba loop system (Bosch K-Jetronic?), he may have changed the fuel pressure, but that would merely result in the ECU eventually changing the duration of the injector cycle (yes, this can be a good thing)...secondly, increasing the air flow through the intake may just be him cleaning the air filter with an air compressor and I don't see how without heavy modification it could be done to a Gen 1 3S-GE.
If there is only one bolt holding the gasket on, don't expect the gasket to last too long, so just be careful how much you drive the car. If there are leaks in the exhaust manifold then I'd suggest just taking it apart (you will need to remove the alternator for this) and looking for a blown gasket somewhere.
If I were you, I would take it to a different place that specialises in EFI tuning and preferably dyno tuning as well so that they can show you the increases that they claim...also find someone who doesn't say too much and keeps it in simple - non "powah" terms (ie - cleaned your air filter, I adjusted the fuel pressure)
I would also suggest getting your injectors cleaned as well, it may set you back $150 or so, but it's well worth it - especially if the car is starting to get a bit long in the tooth.
|
|
|
I supported Toymods
Location:
Sunshine Coast
Registered:
March 2004
|
|
Re: grr st162 engine problem!!
|
Sat, 29 May 2004 12:54
|
|
yeah this machanic was shit house i gave it to him and asked if he could give it a check over vacume's etc and like make it run a bit better he gave it back and it was worse and 3 vacumes werent even connected were just hangin there and the ones that were in were in the wrong hole.
and yeah i brought some $16 injector cleaner stuff that ya put in with the fuel u reckon that would work? its called 'Fuel 1 system petrol injector cleaner'.
the car is running pretty good now..but i think the timing might be slightly out still cos the timing gun we have is old school and i dont think it works very well
i also think i might know what the wine-ing noise is - apparently its the timing belt cos its a little stretched..like the tinyest bit..but yeah thatnxs for all the info
|
|
|
Location:
South Australia
Registered:
July 2002
|
|
|
