Help!!! advice needed, error 34 and no ooomph!!!

[pistol pete]

walk away find one without issues to start with..

[masterbateson]

Yep this ^^ ..


Another way to fix this is to unplug or remove the vac hose and cap off the map sensor .. keep an eye on your boost gauge because this removes fuel cut, boost no more than 1.0bar (15psi ish)

This is summat that could help me today when i go back for a 2nd viewing, could someone maybe post a picture with a nice arrow pointing out what/where pipe, are we saying pull of the hose and cap that?

[2mad]

Pull the vac hose off , screw a small bolt into the vac hose .. job done.


You could try just pulling the electrical connector off .. that may work .. save you finding a cap off bolt

[pistol pete]

surely if it goes well over boost then high change of wrecking the guys engine.. not something i would recommend on a test drive if the actuator is faulty and boost spikes well high... fuel cut off is there for a reason i wouldn't by pass it...

[2mad]

Thats why i said keep an eye on the boost gauge .. do not try this without an aftermarket gauge (lift at 14/15psi).. like Pete said you could kill the engine

[jimGTS]

as a seller, i wouldnt be happy with someone modifying the car on a test drive!

34 is over boost.

spending money on a coil is money down the drain for that guy.

get him to lower the boost on the next test drive. shouldnt hit fuel cut then.

[mr2magic]

34 means you hit fuel cut....it must have felt like driving against a wall....sudden and drastic loss of power and this reccuring every time you go into positive manifold pressure.

Turn down the boost on the (i'm sure installed) boost controller and try again.

[2mad]

get him to lower the boost on the next test drive. shouldnt hit fuel cut then.

Yes this ^^ .. I assumed he would have already tried this .. decats can cause a couple of psi of creep.. thats what i was thinking

[ashley]

the car just seemed to drive like a N/A no kick in the pants, no boost just flat linear acceleration.

Doesn't sound like fuel cut, sounds like a boost pipe has come off

[Draven]

No fuel cut is quite agreesive. Feels almost like the engine has fallen out.

[2mad]

the car just seemed to drive like a N/A no kick in the pants, no boost just flat linear acceleration.

Doesn't sound like fuel cut, sounds like a boost pipe has come off

This^^ but you say when he was driving it boosted ok...

If theres no boost controller fitted error code 34 will cut high boost


This is quite difficult to diagnose really need to be talking with the owner so he can tell us whats been done mod wise .

[ashley]

Could be an old, stored code- hence why the ecu needs to be reset

[2mad]

This has really confused me how can it feel like an n/a and hit fuel cut (error code 34) ... bit of a conundrum ... it should take off like a stabbed rat then try a though you through the windscreen when fuel cut kicks in .

Very odd .. probably an easy fix with more info, could be a good excuse to chip him on the price

[Hez]

Thing is there are a lot of threads now, are you hell bent on buying a money pit, take your time there is no rush spend a little more and buy a decent rev3, they are out there.

[bri0905]

Thing is there are a lot of threads now, are you hell bent on buying a money pit, take your time there is no rush spend a little more and buy a decent rev3, they are out there.

Reminds me of someone else...

[masterbateson]

Hello again Peeps,
Well on my way back from working at peterborough I went for a 2nd viewing, seller matey was awaiting the ignition coil he had ordered thinking it was the fault.
Anyway whilst i was working, he had been tinkering trying to sort the car out.
He said he found the lambda sensor wasn't connected! and he had also tried his other ecu.

When i called he said it was a load better now and boosts right up to 6k.

Anyway when i got there he made me a brew and then confidently said, here you go, go and try it now.

I jumped in full of expectations, took it thru the 30 zone untill i hit the nice white circle with a black diagonal line sign
Pushed the loud pedal to the floor at maybe 2.5kto3k rev wise and.........
Nothing or at least very little, like very bad turbo lag but worse.
The boost gauge was goiing up but no kick in the pants.
The only time it felt like it was boosting was well into the 4.5k or higher rev range.
I went back to his house and said " its still flat as a fart" so he jumped in and tried, same job if you stomp the floor in any gear at low revs and its just struggling to get going, sounds like things are getting bust in the engine bay but, just very slow linear like pick up, untill you get up above 4.5k.
He says as he is thrashing it above 6k, slowing a bit dropping it down a gear and accelerating from5 k "its picking up ok now!"
Well it would? most cars pick up nicely when they are revving there t1ts off.

Part of me thinks i should walk away(the head part) but the heart says buy it!!!

Its a real shame, the body is great, the interior is in great condition, engine bay is good,the engine even sounds in good fettle, its just this no boost prob.

He originally had it up for 1600, after todays failed fix and dissapointing test drive he has agreed to drop it to 1300.
He has also said i can have his larger and brand new intercooler plus a new stainless manifold for another 80.
I am really struggling with this one.

Something tells me the fault is something and nothing, but i am worrying that i may be wrong.
Going to sleep on it.

[masterbateson]

One thing i have remembered, is he had clutch done recently and he said he had to take it back a while back as the timing belt had come loose or was out?

Anyway he took it to a toyota garage rising sun garage i think he said, and they refitted the belt again.

Wonder if thats owt to do with it, or just another possible red herring.

[kev8611]

What good is a big intercooler or a nice manifold etc if it wont run properly?

Like others have said, Did the fault code reappear once you reset the ecu when you went back?

Personally even at 1300, you dont know what your buying. Buy it and it may need another engine or a rebuild etc

[masterbateson]

Fault code didn't come back and engine management light didnt come back on...

Boost leak maybe??? summat worse maybe??? summat and nowt like vacuum pipe or dodgy bov maybe. totally knackered turbo maybe...

[Peter Gidden]

If it's boosting but gutless cam timing could be out a tooth. (I know it supposed to have been done).

TBH, doesn't sound like there's much wrong with it. If you're confident in sorting it (as opposed to relying an internet forum to try and remotely diagnose and fix anything and everything), then at the price go for it. If not, walk.