I would try checking for a vacuum leak. Check all the hoses and the rubber elbows. The elbows tend to get mushy and leak, or will break off.

Ok so when lining up the cams and crank my cams are advanced from the crankshaft pulley mark by two teeth. Should I remove the belt and move the intake and exhaoust cams back manually or am I better off lining up the cams to dead center with the top cover mark then moving the crankshaft pulley back ...

I recently changed the timing belt on my 2001 XC -70 and thought I had eveyrthing lined up. I started it and drove a few miles and everything seemed ok, but then got a P0014 Camshaft Position error code a few miles down the road. It looks like that I was one or two teeth off from the position marks ...

I tried unplugging the MAF sensor and starting it up. I can hardly get the car to move without it dying. What about the EGR valve. I read you can clean it. Do you think this would make any difference in driveability?

I have a 94 non turbo 850 wagon. I am having acceleration problems. It starts fine but when i try to accelerate the car putters and is dangerously slow till I get it enough gas to finely get up to speed then it will run fine in higher gears. This happens every time I am at a stoplight and try to go ...

I took it to the local shop to get the rear main seal replaced. They pulled the engine and found that the rear main seal was not leaking, but it was actually the rear Cam seal that was causing the leak. It was acting like a rear main seal leak because it ran down right between the transmission and ...

Well I took it to the dealer to get it diagnosed and they said it was the rear main seal that was leaking and the transmission would need to be removed to replace it. The cost $1800 bucks. I thinking about attempting the job myself for that price but think I am over my head. Has anyone attempted ...

I have a pretty bad engine oil leak in my 2001 XC-70 and I am not sure exactly where it is coming from to fix it. It is leaking down between the gearbox and transmission on the drivers side. I know its definitely oil because I have to replace about a quart every two days. Any suggestions of where ...

I am having trouble with my 1994 Volvo 850. It is running rough and sluggish at low RPMs but then once in 2nd or higher gear it runs close to normal. I tried replacing the sparks plugs and fuel filter and still have the same problem. I did get a a 221 code and 113 code from A2 module but when I ...

My volvo check engine light is on. I took the car up to Autozone for the free check engine light code read. The code that came up was P0422 Defintion "Catalytic efficiency low-bank"
Probable cause
1. Engine misfire or running condition.
2. Vacuum leak.
3. Engine oil leakage into exhaust-valve guide ...