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Mk1 1.6 ecu

Postby scallan » Sat, 06 Jun 2015 12:15 +0000

Looking to find out if this ecu is from the 115bhp 1.6 mk1 or the 90 hp mk1. Code is b6gp 18 881b .
any help apeiciated as google isnt reli helping. Thanks james
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Re: Mk1 1.6 ecu

Postby MX5Spares » Sat, 06 Jun 2015 8:30 +0000

Not sure exactly but most 1.6 have B63H ecu for 1.6 .Presume then its 1.8 but there are about 10 different ones and then some with /without immobilisers also.I may be wrong but does 1.6 not have 2 plug in connectors and 1.8 have 3 ? I have several asst ecu,s here but none with that number
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Re: Mk1 1.6 ecu

Postby scallan » Sat, 06 Jun 2015 11:53 +0000

Im not sure how many plugs are on it ill have a check and its deffinitly 1.6 as the intake manifold is different to 1.8
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Re: Mk1 1.6 ecu

Postby MX5Spares » Sat, 06 Jun 2015 4:26 +0000

Might be UK type with immobiliser built in
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Re: Mk1 1.6 ecu

Postby scallan » Sat, 06 Jun 2015 8:17 +0000

Ill have a look but didnt think so car is on a switch to start. Also he says car is low on power so i was thinking its the later 90 hp engine
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Re: Mk1 1.6 ecu

Postby MX5Spares » Sun, 07 Jun 2015 7:04 +0000

Key could be strapped on to aerial/key reader under dash ( bypassed basically) and not visible at dash.90bhp could well be UK car.Did you advance the timing at cas to see if that helps
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Re: Mk1 1.6 ecu

Postby AndyJF » Thu, 11 Jun 2015 9:46 +0000

Think it might be a 90bhp one going by the last post on the following link.
http://forum.miata.net/vb/archive/index ... 01219.html
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