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new car, new problems?

Help, Advice, Owners' Discussion and DIY Tutorials on all Volvo's "mid era" rear wheel drive Volvos.

1975 - 1993 240
1983 - 1992 740
1982 - 1991 760
1986 - 1991 780
1990 - 1998 940
1990 - 1998 960
1997 - 1998 V90/S90

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MALL240
Posts: 54
Joined: 30 January 2020
Year and Model: 1991 240 2.3 turbo
Location: Islas Baleares
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new car, new problems?

Post by MALL240 »

Hi everyone. I change my 240 wagon for another 240 swapped. I got a big turbo size, regulator pressure, and modifications for dritf configuration.

The car was very good, very fast. Buuuuuuuuut, when i start, the idle go up very high like more than 3000rpm, and in a ten seconds, start to cut the injection, and goes uop and down... its like a "safe mode"?


The car have a Kon the block, its a B230 but i dont know more. In the head say 1000 530, and from 1997...

IAC change it, thottle cleaned, air links not find it, ... the pump relay dont run qhen the key are on contact... this is not normal... but i have a double fuel pump instalation and the pump runs... but the car make the same...

I a past moth, the car fuse the number 6 relay, and one fuelk pump...

I can understand why i have the 026 ECU (it´s for a B230et 1989... but the head say(97)...i dont understand)

Somebody knows something? Maybe its a ECU fail---

The car runned before very good, the cold valve its not linked, and the lamba same, and ... its like a basic configuration, for drift and no more.-.

Thanksss

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