Thread: New from Aus seeking help.

If you modulate the throttle on start up can you keep it running? Make sure the engine has all the needed n15 sensors, I.E. coolent temp sensor and o2 sensor Also those injectors will not support the turbo system so you might want to just switch over to a full det control system with sensors.

I dont have an O2 sensor connected at the moment, in theory it shouldnt matter.
I do have a stand alone ecu waiting, I just wanted.to make sure the engine wasnok before installing that.

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Are your fuel lines the right way round?

Yes. One of the first things i checked

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Ok. Let's figure this bastard out. I know that some of this is remedial but sometime the simplest thing will kick us in the arse.


Fuel Lines - Got gas ???
Fuel Pump -> Fuel Filter -> Fuel Rail -> Fuel Pressure Regulator -> Fuel Return Hose to Tank

Air Flow - TURBO
Air Filter -> MAF -> Turbo Compressor Inlet -> Compressor Outlet -> Inter Cooler -> Throttle Body -> Intake Manifold -> Engine ->Exhaust Manifold -> Turbo -> Exhasut ....

Not having the O2 connected will not prevent the car from starting and idling.



It sounds as if you do not have the idle air hose the connects to the intake pipe between the MAF and the turbo compressor inlet connected. Also sounds like you may have some vac leaks.

Please attach some more detailed pics so I can better see what you are working with.

Running the stock ECU, injectors & MAF is not ideal - however as long as you are using everything that the ECU is setup for we should be able to make it start and idle so you can move onto better things.

Compression is low at 130 PSI.

Can you perform a leak down test. Since engine was just rebuilt cam timing may be off 1/2 a tooth.

Firstly, thankyou very much for your input.
Secondly, nothing is too 'remedial' this is quite a steep learning curve for me so go right ahead

I will take some photos.in the next 2 days (car is not at my house/work).

It has fuel.
New fuel pump
New filter
Fuel pressure regulator was off a running car but have tried another anyway.
Fuel lines have been double checked including the return line.

Moving on, compression is 130 yes, but its even. Pistons are 8.5:1 and a relatively thick metal multi headgasket.

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Sorry i missed this reply.
All n15 sensors are connected except 02, i just need to extend the wires.
Throttle is no help whatsoever in the engine runing. At this stage im not interested in a det ecu etc because I have a haltech but i am.more concerned that the engine may have an issue.

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Pull the valve cover and check mechanical timing. It is easy to do and may point you in the right direction.

Have you cleaned/replaced the distributor cap & rotor, plugs, wires?

Is fuel getting into the cylinders?

Have you checked to make sure you have spark on all plugs?

Are the plug wires connected correctly?

Do you have a spare ECU? Could it be an anti theft issue? (Not sure if those cars had any)

In the video it does not sound good, either the firing order is incorrect or the mechanical timing is off, double and triple check these before going any further.

Check the engine wiring harness and make sure all of the clips are connected to the interior and chassis harness.

I had the same symptoms once after a motor swap, it was a connector from the engine harness to chassis harness.

Lets assume its the timing chain; what do i look.for.if its out a tooth?

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