Ok sweet! I figured that would be the easier option than replacing the whole block or taking it somewhere to get fully remanufactured. For the variable camshafts, I just keep them in place to keep them in line, correct? Your 1999 NA S70 , the very best year, will have solid cams and no VVT if it ha...

I missed this They spent several hours diagnosing and found: no power to the injectors when cranking. Fuel pressure is good, but no spark. They found they can easily push start the car and it reliably starts immediately. They went through every sensor, all grounds, the ignition switch, checked all o...

Wheel bearing or CV joint damage.

Wheel bearing will whir much more when the front end is steered away from the bad bearing. Try this at about 35 mph

Bad PEM more likely imho.

You need a oscilloscope to troubleshoot the PEM, or risk $25-30 on eBay swap

There is a link to the waveforms in this forum for those with a scope

I’ve documented the circuit in a thread on my S70 that I’ll link to shortly. This is quite aRube GOLDBERG system so brace yourself before you look at the diagram

Both the interior lights and locks are controlled by 2/76 lock controller logic module

Adding the lock diagrams to thread for troubleshooting

Test current draw on the fuel pump.

Failure mode of the relays would also indicate failure root cause

+10,000 points to Ratnalle for wearing all the safety equipment

On the topic of safety, the weekly winner of how to blow up your P2 with innovative petrol tank wiring

It’s fun to wrench at the .....M....V.....S

Albany NY circa 2017?

Good luck with that, I’m sure it will come. Mechanic convention Parts are identified relative to the car, so The REAR of the ECC control unit has the knobs and dials You remove it by pushing the the FRONT of the ECC control unit towards the rear of the car, from under the dash, through the radio hole