of 22

Repair Database Tag: ecu

January 7, 2015

ECU Failure in a ’99 V70-XC

A rare ECU failure, something that’s becoming more common in Volvo P80 models as they age. Here’s what it looks like from a diagnosis viewpoint. 1999 V70XC I’m stuck – I need ideas.

ECU Failure in a ’99 V70-XC
October 25, 2014

Volvo 850 Repairs & Fixes

Here is a legacy list of various 850 repairs I’m moving to the VRD, for posterity. Replacement of entire sunroof system Member, atikovi was having trouble with the sunroof not working properly and decided to go to a junk yard and retrieve an entire unit- frame, motor, cables, etc. He then documented (with pictures) how […]

Volvo 850 Repairs & Fixes
October 23, 2013

Does my Volvo have Motronic 4.4?

Does my Volvo have Motronic 4.4?

Does my Volvo have Motronic 4.4?
August 20, 2013

SAS Delete Theory

For those of you who also own Volvo, you would be familiar with “SAS Delete”. Remember that virtually all European cars (Volvo, VW, Audi, BMW, Mercedes, Porsche etc.) use the same setup for SAS, i.e., same Pierburg air pump, same air valve, similar ECU monitoring system.

SAS Delete Theory
July 26, 2013

Opinions on Manual Boost Control

In response to a request for opinions on how to safely boost a V70, MVS user pkplok posted this link which is specifically about boosting Volkswagens but should work for Volvos as well. Additionally, user SweedSpeed posted the diagram below which shows how to allow the ECU/solenoid to regulate boost in lower gears while utilizing […]

Opinions on Manual Boost Control