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B20F upgrade 140-160

posted by  Rhys on  Sun Apr 27 18:08 CST 2008
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last visit: Tue Nov 20 10:22 CST 2012
[RELATED]

You're right - things are expensive to replace on Demonic-tronic. I don't like the system and have worked on VW, Mercedes and Volvo systems.
Price the fuel pump for d-jet against one for carbs.
Price the manifold pressure sensor - they fail all the time, and were over $350.00 last time I checked in Canada, which was about 15 years ago, if you can find one new.
Check out the relays and wiring, which fails.
As mentioned the auxiliary air valves don't work reliably.
The injectors are long-lived - I'll give them that.
Distributor trigger contacts are not available, AFAIK.
It is a very primal injection system, not really electronic at all. More like a multi-vibrator than transistor....
If you have to have injection, swap to K-jet.
I'd recommend SU's of course.....couple of nice HIF's.






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