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If you have missfiring with cold starting, the problem is probably in the high pressure fuel pump.
If in the list of fault codes, apart from the missfirings, P0087 appears, then it is definitely the pump.
The turbo should not be insulated as it will work even hotter, shortening its life and increasing the risk of fire.
The original heat shield is to minimize burns if you put your hand in, it is not insulation.
You only need a ELM327 ODB2 bluetooth connector, available on Amazon, and a free app on your mobile device like Torque.
You will be able to read and clear the fault codes.
Total cost < €10
The safest thing is to recover the power that will surely have been lost over time, if it has gasoline engine by cleaning the intake valves.
If it has high mileage also checking the compression of the cylinders
I agree !
And if the timing chain rattles when cold, changing only the tensioner can probably improve it.
Many chain changes could have been avoided by changing just the tensioner, which is usually the main culprit.
If you still have a USB or SD memory connected, disconnect it!
It could be that the memory has errors and NG4 is very sensitive to that.
It happened to me, a USB memory with errors caused multiple hard resets, losing all configurations.
You could verify and correct errors by connecting it to...
Now there exist the OSRAM NIGHT BREAKER H7-LED, approved to be installed in some countries, all in the EU, and only for certain models and the RCZ does not appear on the list.
Yes, inertia is necessary, a combustion engine is not an electric motor, it is propelled by explosion strokes.
The flywheel is also necessary for a stable idle and for these shocks to not affect the transmission.
The energy accumulated by the flywheel is not lost during acceleration when...
For me it is very likely that the problem is the high pressure fuel pump.
There is a cheap system to find out:
- Purchase an ELM327 Bluetooth ODBII connector.
- Install and run the Torque application on your phone with the connector on the ODBII port
- Monitor the fuel rail pressure at cold...
I had that pipe cracked for a while and the car ran fine. I think that even if it were removed, those problems you describe would not appear.
You can buy the pipe for the RCZ in several places, including ebay and aliexpress, even in various colors
I removed it and reinstalled myself.
Total cost €110, €90 that the guy, here in spain, who fixes them charged me, and €20 for transports, the car was stopped for about 10 days.
Removing the battery is no problem, you disconnect the positive, move the connections block to the right, swing and...
The wiring should be carefully checked, especially the one that reaches the alternator.
Unfortunately, some garages currently go straight to changing parts instead of seriously analyzing the problems.
And new shock absorbers can improve comfort by reducing the amplitude of the oscillation and also improve handling.
Cars after 10 years usually have quite worn out shock absorbers.
If you press the brake repeatedly and quickly at the end it gets hard because you don't let the pistons go back, but probably the wheels were braked but skidding.