tardcart wrote: ↑13 Feb 2019, 15:39 wow. amazing to have such a car at 20. beautiful. You will probably have more input over at sweedspeed for this sort of thing as this
forum is for grocery getters and diy on the cheap.

I've heard Swede-Speeders reuse engine oil, just saying....

Sommerfeldt wrote: ↑22 Feb 2019, 07:35 ... If that comes to nothing, you’re only left with the turbo and the blow by. ...

And the valve stem seals.

Agreed, OP wants to be absolutely certain about the box and the ports into the block.

Thanks. I figured it out after I responded, lol. It went from pcv to turbo and confused me. I understand again. You all need to be a bit slow with me.

Step back a bit and think basics and don't get lost in the possibilities. After warming, unplug each wire from it's designated spark plug and listen for arcing, see if car runs obviously on one less cylinder. You may have done this. Then as suggested in other posts go directly to compression test. B...

Im working on making the underlying software changes easier to make, to make the tuning a bit more self explanatory on the XDF and ADX side. If someone has time to work with me, i'm willing to make a series of How-To Videos or something of the sort to help people get started.

I've built MegaSquirts for a couple of my cars, but this stuff appeals to me for tuning our dailies that we've done some upgrades to. I've followed the thread(which is a mess, as well as the Wiki), did the reading, built my flashing stuff and can flash ECUs. I can't decipher any of the code, but can...

If your bank 1 is too rich the Volvo dealer will fix that.

1. Shorted fuel injector 2. Defective injector driver. 3. Blocked fuel system return line 4. Fuel pressure regulator. 5. EVAP charcoal canister letting raw fuel into the vacuum supply line. 6. Stuck open EGR Valve 7. Defective engine coolant temperature sensor. 8. Vacuum leak 9. High resistance to g...

Just wanted to update everyone... changed fuel injector on cylinder 1... did the trick. Shes humming!! Thank you to everyone for the help!

Yes you can, been driving with the downstream O2 sensor unplugged for 30k miles. Runs great, no limp mode, get 2 codes relating to bank1sensor2 voltage and heater circuit malfunction. Gas mileage is normal. Goes into closed loop. LTFT doesn't do anything weird. If I plug the sensor in, car runs exa...