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PostPosted: Mon Apr 10, 2017 9:50 pm 
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Joined: Mon Dec 01, 2008 6:53 pm
Posts: 261
Whats your location?: strokestown road
co. longford
Region: Western
What Minis have you?: 1995 jap-imported spi cooper
1974 Australian clubman panel van - still in oz
Modifications: Adjustable gaz shocks and adjusta ride height, 6x12 deepdish minilights ultimate engine steady, grp 2 arches, maniflow exhaust.
Location: longford
Hi all. Hopeing somone might be able to shine some light on this issue.

While checking ignition timing using a timing light the flash was occuring before then after TDC. No movement of the distributor made any difference.

Its an spi so possibly sensor related just woundering has anyone seen this before? Timing itself is spot on.
Car runs ok until you accelerate hard which results in it cutting out for a second then coming back to rev as it should.

Tried differnt map sensor and relay box for the sake of it.
Willing to buy a diagnostic tool for spi/mpi if somone has one..


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PostPosted: Mon Apr 10, 2017 11:35 pm 
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IMOC Paid Member
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Joined: Mon Feb 07, 2005 11:55 pm
Posts: 2631
Whats your location?: Drogheda
Region: Eastern
What Minis have you?: Traveller
Turbo
Hornet
Equinox
MINI Clubman
Location: LOUTH
Timing on an SPI is done via a crank sensor on the flywheel and ecu with the dizzy only being used to send the spark to the correct plug. There is an angle to set the dizzy at for maximun effect. The first thing to check on an SPi is always the condition of the vacumn hoses which must be 100%. A diagnostic check will tell you if the map sensor is functioning correctly.

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PostPosted: Tue Apr 11, 2017 11:18 am 
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NON Member

Joined: Mon Dec 01, 2008 6:53 pm
Posts: 261
Whats your location?: strokestown road
co. longford
Region: Western
What Minis have you?: 1995 jap-imported spi cooper
1974 Australian clubman panel van - still in oz
Modifications: Adjustable gaz shocks and adjusta ride height, 6x12 deepdish minilights ultimate engine steady, grp 2 arches, maniflow exhaust.
Location: longford
Thanks woody.
Have checked all vaccum hoses all are fine.


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