Classic Mini Engine Parts
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 1994 Rover Mini SPI

 Created by: Damen
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 Posted: Jul 2, 2020 10:17AM
Total posts: 127
Last post: Aug 5, 2020
Member since:Feb 18, 2013
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Mine did that and it was a bad temp sensor. As stated above, the temp gauge was showing cooler than normal. There is also an adjustment for the throttle cable and stepper motor. It's outlined in the Haynes manual if you can't find it elsewhere.

 Posted: Jun 30, 2020 07:03AM
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Last post: Jun 30, 2020
Member since:Jul 26, 2000
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US
//www.theminiforum.co.uk/forums/forum/140-injection-mini-specific-spimpi/


Great, injection-specific section of the The Mini Forum with lots of useful information. There is a pinned trouble shooting thread that is a must read.

What everyone is going to tell you, including me, is to check your vacuum lines. That is the number one thing with these cars. There are some hard to reach ones that get neglected behind the intake manifold. I, like many, have replaced all of the factory lines with thick-walled silicone so as to not have to worries about the factory lines cracking or elbows splitting.

Something to look at is your temp gauge in your clocks. Is it reading accurately..or at all? The needle should be a tick under the midway mark. If its reading lower once warmed up, then your temp sensor (which feeds info to the ECU) could be faulty OR could be surrounded in crude. The water temp sensor is on the bottom side of the intake manifold. Its not easy to get to...leading it to be forgotten and corrosion often builds up around them. 

Not all that readily available here in the US but getting your hands on scanner for these cars is always helpful. Will not tell you everything but at least gives you the basics. You can now download software and build your own cable to link up to the factory port. This tread has some good info about where to find everything you need.

//www.theminiforum.co.uk/forums/topic/347721-bought-the-mems-connector-for-mini-spi-where-do-i-down-load-the-software/

 Posted: Jun 26, 2020 11:02AM
Total posts: 57
Last post: Jul 24, 2020
Member since:Mar 27, 2019
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Cold car requires more fuel - as it warms the fuel requirement drops but if too much fuel comes in, you get an increase in idle speed

check for any vacuum leaks, and check your temp sensors, and oxygen sensors for function - they could be the culprit

 Posted: Jun 25, 2020 04:46PM
Total posts: 3
Last post: Jun 25, 2020
Member since:Mar 10, 2020
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My Mini idles perfectly when you first start but as it heats up so does the idle.  When hot the idle is at about 1600.  I live in South Fl. so it is not cold.  Has anyone experienced this issue?