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Having Issue With My Japanese Spi

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#1 mnr47


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Posted 08 July 2019 - 07:21 AM

Hi There,


Hope someone could advice me on the issue currently i am facing. There are 2 issue. My mini is japanese SPI with coil pack(rover black engine). Below are the issues:


1. My car vibrates on braking. The vibration can be felt towards the pedal itself. Initially i thought it would be my disc rotor so I have done replacing my entire brakes with new disc rotor, new front pad, rear new hydraulic pump and new brake shoe. I even serviced my front calipers and replaced all the oil seal in it. After all was done, When i tested the car, the vibration was still there. I managed to diagnose it and found the vibration from left wheel.


could it be my wheel bearing? As i noticed there is slight play on the left wheel.


2. The car idle fine at 900rpm with and without a/c, But once awhile while driving the car, it will jerks as if not enough fuel. Then when i turn off the engine and start immediately it will fire up without issue and I will be able to drive few more KM until the jerking comes again. This only happens once awhile. not always.


I have replaced all the vacuum hose with samco silicone type, new rear fuel filter as well. The temperature is fine as well.

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#2 Ozymandias


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Posted 16 July 2019 - 04:02 PM

I had that "engine jerking" problem - I discovered that the coil was shorting/arcing on to the cylinder head!


Or perhaps the fuel filter is clogged?

#3 masslaw


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Posted 21 July 2019 - 10:06 PM

Curious to know the size of the samco silicone tubing you used...or part number. Thanks

#4 hunterg30


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Posted 21 July 2019 - 11:04 PM

that temp looks low, what thermostat is fitted, are the hoses  3mm/4mm? get a diagnostic tester something like an ACR4 it will show what the sensor readings are and help to point towards existing problems if any

Edited by hunterg30, 21 July 2019 - 11:13 PM.

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