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warm up regulator part #needed


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Hello I am new to this forum and just bought an 87 turbo.I have the dreaded dpo syndrome.My car is a mess.I knew that when i bought it but i did not realize the extent of the problems the car has.I have fixed alot of the problems already and now i am getting into the nitty gritty of fine tuning.The warm up regulator on my car is missing and in its place is an adjustable regulator. ;)

Does anyone have the part # for the correct warm up regulator or a cross reference? please help.

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Here is what i have written down about the warm up regulator:

928S 4.7 litre (8 cyl)


Bosch K Jetronic

0 438 140 086


but it's identical to a volvo one as well. The warm up regulator, however, has nothing to do with you boosted fuel use... so, it's really just a warm up regulator... Some turbo-cars (not lotus) had warm up regulators that had a vacuum line from the intake plenum attached so as to increase fuel under boost but our does it via the frequency valve.

Edited by Mark T-C

Modifying esprit's.. now that's fun..

PS... I AM NOT A CERTIFIED MECHANIC.. I Have chosen to help those in need, in the past and must not be construed as being a certified technician.

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