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Tag Archives: ecu
Fuel Cutoff w/ Stock ECU + MBC
Click through for a video example of the Volvo ECU cutting fuel after the parameters go off the map. Now that ambient air temperatures are very low, 9°F (-12°C), the air-fuel mixture is so dense that it’s going off the … Continue reading
How to access ECM & TCM on 850, S70, V70, XC70, C70
How to remove ECU and TCU Modules MVS Forum member gchelidze tells us in text and (24!) photos how to access your ECU and TCU modules from under your Volvo 850, S70, V70, XC70, C70′s hood. He writes: “WARNING: I have … Continue reading
Fast Friday #4 — The Boost Variance Problem
Boost pressure issues seem to be the #2 issue in the Volvo Performance world beaten out only by vacuum leaks. Boost pressure control in the 1994-1998 models is a pretty simple system but for the ECU to manage boost correctly it relies heavily on known base values and settings. If these settings are off or if there are mechanical issues then the boost control system can be out of whack. Continue reading
Chip Tune vs. Manual Boost Controller
I shot an email over to my favorite Volvo speed genius Lucky, of Active Research & Development, formerly of iPD, MVS sponsor. He was happy to give his thoughts on the question Chip or Manual Boost Controller? Now, I know … Continue reading
Fast Friday is For Real
So what is Fast Friday exactly? It’s a weekly Volvo Forum post that I start every Thursday night or Friday that talks about performance things. Here’s the first Fast Friday. Here’s the second.
ARD Green Review
Same MPGs, but with more aggressive driving. If you do this, realize that getting on the highway will be a blast, and still faster than it needs to be on the highway, but not as great if you were to go with an 18/19t and [ARD] blue. (no experience with this). Continue reading
Reset Your Volvo’s Computer = Big Difference
How to do the reset? By simply starving the car’s ECU of electricity. How to Zero out Your Volvo’s Computer and Make it Re-Learn your Driving Style Since all 1990s and 2000s Volvos’ ECU’s have volatile memory and rely on a … Continue reading
Using an R ECU in a Turbo
Using an R ECU in a Turbo What happens when you use an 850 R ECU in a regular 850 Turbo? 850R ecu in Turbo model?
Standard (manual) Transmission Swap
Why US Turbos Won’t Take a Manual Transmission The rub is that the US versions of the ECU expect to have a dialogue with the TCU and when the communications stop (as in the automatic transmission and/or the TCU are … Continue reading