145 replies to this topic

[roblightbody]

This topic is a lifesaver for injection Mini owners like me, as the cars start to get properly old! Can't thank the contributors enough.

I've bought myself an ACR2 fault code reader and think its essential to an injection mini owner to have easy access to one of these. What would be really useful to me would be a list of expected readings from this from a standard car. This would allow you to use one quickly to see if everything's showing OK or not.

[minidizzy]

There is a brilliant website created by an American TMF member that has a lot of useful information:
http://tmsmini.com/cooper/sp_acr.htm

[bryckon]

hi everyone, I have a mini cooper Spi from 1993 and I had a problem that I fixed Reading this topic, the hoses were realy bad I change it for a new ones. the first problem was the engine revs were to low and the engine stops at idle, when I change the hoses this problem was fixed but at the same time I get new one, now its realy hard to get the engine started, sometimes it starts at the first try but normaly it won´t start.
if it starts I can drive it normal with no problems, good. the problem is just to start. I hope someone can help me

[BMC]

Vacuum hoses... Wont this be better than the original stuff?

 

http://www.autosilic...our-colour.html

[megamini_jb]

While I was moving the ECU to get to the clutch slave cylinder, the little vacuum/fuel trap pipe come out of the L shape bit on the bottom of the ECU. Is it normal for them to come out of the L shape thing? I pushed it back in so hopefully be alright lol

Edited by megamini_jb, 01 March 2014 - 11:52 PM.

[megamini_jb]

This thing - http://www.minispare...ck to catalogue

Does the little pipe just push into it?

[IainStallard]

This thing - http://www.minispare...ck to catalogue
Does the little pipe just push into it?

Yup, black pipe just pushes back into the elbow

[BMC]

Ruined a Walbro 225 in tank pump in Montie (1994 SPI) it was brand new and it has about 1 hour of run time on it so im replacing it with an external one. My question is though, whats the fuel pressure regulators pressure and what pressure can you go upto for performance before it starts to run too rich and looses power? Also, where can i find the standard pressure regulator?

Edited by BMC, 16 November 2014 - 04:32 AM.

[FlyingScot]

Ruined a Walbro 225 in tank pump in Montie (1994 SPI) it was brand new and it has about 1 hour of run time on it so im replacing it with an external one. My question is though, whats the fuel pressure regulators pressure and what pressure can you go upto for performance before it starts to run too rich and looses power? Also, where can i find the standard pressure regulator?

It's 1 bar (15 psi), I wouldnt personally mess with the pressure and the standard regulator is built into the throttle body bits on the inlet manifold
Why did the pump fail?

FS

[BMC]

The company we bought it off say they have never seen one in such bad condition considering its about 6 months old too. im not even going to bother sending the pump back to them to test as there going to blame it on high octain/ethanol content in the petrol used yet the original pump sat for 7 years in the same tank of fuel and came out shiney. Im not sure what to do with them really (The people it was bought from) theres about an hours run time on the pump. I have seen better conditioned weaponry dug up from hundreds of years ago than this 6 month old pump. There telling me to send them the pump for testing and dismantling and if its a manufacturing defect found to have caused the pump to fail they would send a new one but there going to blame it on the corrosion to the pump that im being told is "performance fuel like e85 in a high percentage blend." as quoted from the email. Surely a pump made for going in a tank of petrol would survive all types of petrol anyway. This being said they could be talking crap because the person i have been emailing said they Havant seen one in such bad condition before.

Heres a present. This is the pump in question, there was also a black foam silencer.shock absorber on it too but that perished as you would expect from foam in petrol.

 

Also look at the top of the tank, the top bit isnt down all the way so you can see the pipes there and they are in a similar condition if that means anything?

[firstforward]

I guess it is down to bad quality of materials used.

 

I used to own a petrol station and the tank refill pipes were "old fashioned" and sited under man hole covers in the ground. Many a time there was a large amount of water collected sometimes above the filler neck. The delivery drivers just unscrewed the caps and let water in before connecting the tankers to fill up with petrol or diesel. The water entering the storage tanks pools on the bottom of the tank but some does dissolve in fuel as it is hygroscopic.

 

Might be a bit of both in your case?

[FlyingScot]

The vacuum pipes and the fuel trap on SPi cars are service items.
Your should make sure that they are in tip top condition and my first option for the cost is to bin them all and replace with new parts including the fuel trap.
Push them on steadily using lubricant if needed, but not so far as you restrict the flow at the elbows.
Many, many problems on SPis are ultimately found after frustrating blind alleys to be this; so avoid the stress and do this first!

FS

[bungle0408]

Idle can anyone she'd light onto why my spi will idle high after acceleration then slowly return to idle. Also I have one that will run but if you give it acceleration it just returns to a stall without idling chefs in advance. Sprocket u have excellent advice and detailed info

[FlyingScot]

Start by working your way through the pinned threads to rule out vacuum pipes, leaks throttle position sensor etc.
Have you replaced the vacuum pipes and fuel trap as I wrote just above your post?

Unless you have diagnostic gear you will have to work step by step.

FS

Edited by FlyingScot, 13 March 2016 - 09:25 AM.

[Maundrell]

Can anyone tell me where the MAP sensor is on an SPI (95) please?

 

My engine runs perfectly with the exception of a 1/2 second hesitation when you floor the accelorator (either driving or standing).  I've had a few tips to check the MAP sensor, but can't find it!!

 

Thanks