These cars are too complex to diagnose by symptom, especially when they are spurious.

You have pretty much covered the ignition troubleshooting with coils and plugs ( yeah ME7) so start with getting fuel pressure monitored at the rail. You can sacrifice a tire pressure gauge to read this. If the ...

These cars are too complex to diagnose by symptom, especially when they are spurious.

You have pretty much covered the ignition troubleshooting with coils and plugs ( yeah ME7) so start with getting fuel pressure monitored at the rail. You can sacrifice a tire pressure gauge to read this. If the ...

abscate wrote: 07 Jun 2017, 16:53 Ambient temp sensor,,,not a biggie, near the front right side of car?

Correct, hanging down just behind of the front bumper.

These cars are too complex to diagnose by symptom, especially when they are spurious.

You have pretty much covered the ignition troubleshooting with coils and plugs ( yeah ME7) so start with getting fuel pressure monitored at the rail. You can sacrifice a tire pressure gauge to read this. If the ...

I had similar issues with my 2005 XC90 2.5T (similar setup as your 2004 C70)...
Cleaned the Throttle Body, problem solved!

See the DIY I wrote for 2005 XC90:

https://www.matthewsvolvosite.com/forums/viewtopic.php?t=78629


Awesome. Thanks for the DIY. Maybe I'm taking the OBD readings a bit too ...

Hi, thanks for the reply. I do not have any malfunction codes at the moment. I will give cleaning the MAF a try tomorrow evening. I will let you know if I have any luck with that. Any other ideas are appreciated as well!

Hi All

I'm new to the forum and this will be my first post. I should have likely been a member before now, as I've been doing a lot of my own work considering Svetla (2004 Volvo C70 2.3 Turbo) would break me if I took her to Volvo every time she acts up.

The car has right at 105K miles. I keep her ...