positive that I have connected the TCV correctly.

The spike value could be off as the ODBII reader has a bit of lag in it, so it is not as relaible as a real gague.

I have seen the spike over 20, but I dont think the stock turbo could do that, so I have put it down to a quirk of the reader and app.

Hi Guys,

I am still having some trouble ironing out the issues with my recently purchased XC70 (118,000Km).

Symptoms: (diagnosis with a cheap ODBII Bluetooth dongle and Torque app on Android)
Boost appears to spike at 14psi+ for a fraction of a second
Boost then was about 2psi tapering off to 0 ...

Update on my trip to the mechanic:

The major performance issue was a combination of things, but mainly the fact that when the timing belt was changed... it was 1 tooth out.

This prompted the original mechanic to then "tweak" the timing. Making the car run but certainly not correctly.

The Throttle ...

This car is the gift that just keeps giving.

This morning I started the car in my driveway (about a 15deg slope, nose down), car idled for about 4 min... then just stopped and refused to start.

25% fuel left, 220Km till empty.

I thought that I would try my luck and put another 5L (1 Gallon) of ...

The Purge Valve was the item replaced.

Following codes listed on the job sheet:
ECM-4000 (Cannister Purge Valve)
ECM-4007 (Evap system)
CCM-0017 (direction control damper motor)
CCM-008 (sun sensor)
CCM-003 (fan pass/compartment temp/sensor)

10x other fault codes (not listed on sheet).

Checked ...

Hi Guys,

I posted a little while back about an error P0443 code on my Volvo. The shop fixed that issue by replacing one sensor ($60 for a second hand one). However the Volvo is still missing a LOT of power.

I put in my ODBII dongle last night and the Torque app (Android). While driving home I ...

Hi Guys,

First post on this site, I have been lurking for a few days and looking at lots of posts, looks like a very active and friendly forum.

I picked up a 2002 XC-70 last weekend, this is a replacement for my 2001-S60T (Stage1 ECU) that was written off in a small rear-end accident.

I was in a ...