Hello, I have a 98 v70 t5 the car has 190,000 mile's. I don't have any service records from previous owner. I changed oil 3 times before with convention 10w 30. Is is it a good/bad idea to switch to synthetic oil? I am not aware off any major oil leaks, excecpt minor around the turbo. I have replace...

Ok replaced front 02 sensor but, both front and rear sensor's are very close to each other the CAT is original from factory.
Should i replace the second one also? I thought the rear sensor was after the CAT? There is some performance gain and better mileage.

When replacing o2 sensors do i need to replace both front and rear?

The car is a 98 v70 t5 with 185,000 miles. I have no check engine light on. No stored codes. I was thinking that is the CC is going out or plugged. I can't get passed 65-70 mph's on freeway. O2 sensor's are original never changed. What would be the best way to attack this? Looking for the least expe...

Is the rubber boot on the end of the cable suppose to go into the firewall? or just up against it?

Hey, just pulled code P0505 came up. recently installed new pcv system. what should i look for? Vacum leaks?







1998 V70 T5 170,000 miles

Ok got it. Thanks

When i start the car the rpm goes straight to 5000 rpm! How do i fix this? This is a 1998 v70 t5. i installed the cable in the firewall into the pedal. The new cable didn't come with a spring, soo i used the old spring from the broken one. Is there suppose to be a spring in the firewall connection? ...

Hey, This code just came up after a full tune up. i cleaned the MAF sensor before tune up. What should i be looking for to fix it? The car has a clogged pcv smoke in dipstick. Cleaned PTC nipple on intake hose. Any help ? BTW The car ran really slugghish after a full tune up kinda weird!!

Thank You

Is it safe to drive with a clogged pcv system? Getting the kit this friday. Can i pull out the dipstick to relieve pressure while driving? Trying to prevent any damage elseware [oil leaks].


thanks