1) not necessarily because the misfire could be traced to a bag spark plug gap or wire, which in the end can lead to an electrical problem with the distributor. 2)I would not say that just cleaning the MAF would clear the codes and engine light because many times its a preliminary step. The worse ou...

And Can anyone explain where exactly the PCV valve is on my 1996 volvo 850

So i noticed that there was a small amount of water around the dipstick and now i have smoke coming out of the dipstick while the car is running. And on friday the car ran at about 400 rpm for thirty seconds and stalled with some black smoke and strong smell. Besides that i noticed my purge valve wa...

Thanks ill check it out

Damn right it does....Clean MAF sensor in january when the first stalling ever started happening. I put new plugs in during the summer and they gapped right then. Never thought of the RPM sensor, but I will check it. Any visible vacuum lines or pumps were checked or replaced. I picked up a Haynes th...

I drive a 96 volvo 850 non-turbo and recently had the same symptoms of stalling randomly. The only code check i had was slow o2 sensor response, I just wanted to know if you had any updates on your problem. I have taken steps and nothing has worked, however I recently spoke to a mechanic who drives ...

well I began to trace vacuum lines and found that the Idle Vacuum Control pump is overheating and no good. So Im going to replace that but the o2 sensor is still top priority

Recently went to get a code check and it came back with o2 sensor slow response, I want to replace both sensors but i dont know where both are I have an idea of where the downflow one may be. Comment or suggestions?

What muffler or exhaust system would be recommended for a more aggressive exhaust, for a 96' 850 glt non turbo