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Most common cause of vibration after the top torque mount is the front engine mount, the non-hydraulic one under the crank pulley. Access from the wheel well. My top engine mount is very loose, i can hear the rubber clunk when coasting however at idle i can put a glass of water on the engine and ge...

change all the coils with new bosch ones, same as volvo but not in the blue box. check the VVT solenoid, these are both common failures.

Google "volvo vvt solenoid symptoms"

its quite risky because the engine might hydraulically lock. Emailed a few mechanics that work on volvos over 20years old that have been driven by old lady's consider removal of the head the only real fix.

you know for that gap between the genuine volvo aftermarket radio panel and the ccm you need to file some tabs down.

Here is the before and after pic of cyl 5. I used a product called Threebond my seafoam is yet to arrive and the local parts store said this is what all the mechanics here use. Its also called subaru upper engine cleaner. After just one treatment i can see the piston ring i couldnt see before but th...

So for those that dont know as i didnt, the carbon build up has a tendency to get hot and ignite the fuel mix before the spark plug causing a engine shockwave or pinging. I cant hear anything like that but read it could be happening..it also reduces the size of the chamber.

Had a very good conversation with a new indie volvo shop as my usual shop seems to have closed down. Anyway we discussed my knock sensor problem and he said it could be the timing (it is adjustable on both inlet and outlet cams) or try cleaning the MAF sensor (ihave done this recently, but i might t...

seeing some forums people talking about carbon build gradually started pinging on high octane fuel, so i havent pulled the spark plugs yet but i think/hope that is the problem. Ive ordered 2 bottles and a spray bottle of seafoam, some of the 24hr seafoam before/after videos dont look that impressive...

ok thanks, what about the mass air flow number?

hows this for weird..i placed the rear sensor back to its normal position 3 with copper washers and i got the "knock code" moved it back to position 2 and no "knock code"??

Do these numbers look okay? is a STFT 0.78% mean its leaning out?